Security Brief Daily

Security Brief Daily

A daily AI-generated cybersecurity briefing. Fresh threat intelligence, vulnerability roundups, and infosec news — concise, clear, and delivered every day.

  1. 1d ago

    Jun 05, 2026 · #77

    Episode 77 — 05 Jun 2026 1. Cisco warns of unpatched SD-WAN zero-day exploited in attacks Source: Bleeping Computer On Thursday, Cisco warned of a high-severity, unpatched zero-day in the Cisco Catalyst SD-WAN Manager (tracked as CVE-2026-20245 ) actively exploited in attacks enabling root privilege escalation. The zero-day flaw impacts all deployment types, including On-Prem Deployment,... 2. Hackers Exploit Critical Everest Forms Pro WordPress Plugin Flaw to Take Over Sites Source: The Hacker News Threat actors are actively exploiting a critical security flaw in Everest Forms Pro, a WordPress plugin with about 4,000 active installations, to execute arbitrary code, leading to a complete site compromise. The vulnerability in question is CVE-2026-3300 (CVSS score: 9.8), a... 3. Credit card theft campaign abuses Stripe to host stolen payment info Source: Bleeping Computer A new Magecart campaign is using Stripe's API infrastructure to host the credit card-stealing payload and the data exfiltrated from checkout pages. The entire malicious activity relies on Google Tag Manager and Stripe domains - googletagmanager.com and api.stripe.com - that... 4. Cisco warns of critical Unified CM flaw with PoC exploit code Source: Bleeping Computer Cisco has released security updates to patch a critical-severity Unified Communications Manager (Unified CM) flaw that allows attackers to gain root privileges. Cisco Unified CM (formerly known as Cisco CallManager) serves as the central control system for Cisco IP telephony... 5. Police dismantles fake ID marketplace used by migrant smugglers Source: Bleeping Computer French and Spanish authorities took down an online marketplace selling fake identity documents to migrant smuggling rings operating within the European Union. On May 27, law enforcement officers arrested one suspect in Alicante, Spain, and seized document-production equipment... 6. PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network Source: The Hacker News The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to create a covert SMTP email relay network. "Compromised business servers across the U.S., Europe, and Asia were quietly converted into... 7. FIFA World Cup 2026 Scams Are Already Live: Fake Sites, Banking Malware, and Stolen Logins Source: The Hacker News Security researchers and the FBI are warning that a wave of FIFA-themed fraud is already hitting World Cup 2026 fans, days before the June 11 kickoff. Recent reports describe thousands of lookalike FIFA domains, banking malware hidden inside pirate streaming apps, and at... 8. Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories Source: The Hacker News A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories running it, with nothing more than a single opened GitHub issue. Because Anthropic's own action repo used the same workflow, a working...

    4 min
  2. 2d ago

    Jun 04, 2026 · #76

    Episode 76 — 04 Jun 2026 1. CISA Adds Exploited Magento RCE Flaw CVE-2026-45247 to KEV Catalog Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting Mirasvit Cache Warmer, a popular Magento full-page cache extension, to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in... 2. Acer working to patch max severity zero-days in Wave 7 routers Source: Bleeping Computer Acer confirmed that it's working to address two maximum-severity zero-day vulnerabilities affecting its Wave 7 mesh routers. According to a Friday security advisory , the two security flaws were reported by security researcher Gergo Pap and affect Wave 7 routers running... 3. U.S. sanctions Nobitex crypto exchange used by Iranian ransomware actors Source: Bleeping Computer The U.S. Treasury's Office of Foreign Assets Control (OFAC) has announced sanctions against Nobitex, Iran's largest cryptocurrency exchange, for facilitating payments related to terrorist activities. Nobitex is believed to have helped evade economic sanctions and also... 4. VS Code zero-day lets hackers steal GitHub tokens in one click Source: Bleeping Computer A security researcher has released exploit code for a Visual Studio Code (VS Code) zero-day vulnerability that allows attackers to steal GitHub authentication tokens by tricking users into clicking a link. Microsoft classifies a software flaw as a zero-day if it is publicly... 5. Google June 2026 Android Update Patches 124 Flaws, One Actively Exploited Source: The Hacker News !j> u5 C! Ζ$3OˠƏ9X8Kj| S Ee3NDD)&EʖcUqV-K%6YӹIڣxUow-ʗWwp%AٱZws- s2^c IRE-=]Gp=2T... 6. CISA warns of active attacks exploiting Android, Linux bugs Source: Bleeping Computer The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting vulnerabilities in the Linux kernel and Android operating system. The most recent flaw the agency added to its Known Exploited Vulnerabilities (KEV) catalog,... 7. Oracle WebLogic CVE-2024-21182 Added to KEV Catalog After Active Exploitation Source: The Hacker News The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a high-severity security flaw impacting Oracle WebLogic Server to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. The vulnerability, CVE-2024-21182... 8. Google DoubleClick Abused in New Malspam Campaign to Deliver DesckVB RAT Source: The Hacker News Cybersecurity researchers have flagged a new malspam campaign that makes use of Google's DoubleClick domain as a way to evade detection and ultimately deliver a remote access trojan (RAT) named DesckVB RAT. "Before the victim ever reaches attacker-controlled infrastructure,...

    5 min
  3. 4d ago

    Jun 02, 2026 · #75

    Episode 75 — 02 Jun 2026 1. Critical Windows Netlogon RCE flaw now exploited in attacks Source: Bleeping Computer The Centre for Cybersecurity Belgium (CCB), the country's national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks. Netlogon is a remote procedure call (RPC) interface... 2. Hackers Used Meta’s AI Support Bot to Seize Instagram Accounts Source: Krebs on Security The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta’s “AI support... 3. Dashlane password manager users locked out by brute force attacks Source: Bleeping Computer Multiple Dashlane users have been locked out of their accounts following brute-force attacks that attempted logins from distant locations and unknown devices. In a statement to BleepingComputer, the password management service confirmed that the suspensions were part of an... 4. Dashlane Discloses Brute-Force Attack, Encrypted Vaults of Fewer Than 20 Users Downloaded Source: The Hacker News Password manager Dashlane has disclosed that "fewer than" 20 users on the personal subscription plan had their encrypted vaults downloaded following a brute-force attack launched by an unknown party. On May 31, 2026, the company said an "external" threat actor launched a... 5. Spain arrests doxer leaking sensitive data of govt employees Source: Bleeping Computer The Spanish National Police has arrested an individual for leaking sensitive information related to members of various key state organizations, including the National Cybersecurity Institute (INCIBE). According to authorities, the individual is responsible for a massive leak... 6. Red Hat npm packages compromised to steal developer credentials Source: Bleeping Computer More than 30 npm packages under Red Hat's '@redhat-cloud-services' namespace were compromised in a supply-chain attack that distributed a new variant of the Shai-Hulud credential-stealing malware, dubbed "Miasma." The incident was discovered by security firms Aikido and OX... 7. Miasma Supply Chain Attack Compromises Red Hat npm Packages with Credential-Stealing Worm Source: The Hacker News A new Mini Shai-Hulud supply chain attack campaign, codenamed Miasma, has compromised @redhat-cloud-services packages to steal credentials and secrets from developer machines and deliver a self-propagating worm. "This is effectively a Mini Shai-Hulud campaign: it uses the... 8. China-Aligned Groups Ramp Up Attacks: Dragon Weave Hits Czech Republic & Taiwan Source: The Hacker News A new cyber espionage campaign codenamed Operation Dragon Weave has been observed targeting officials and citizens in the Czech Republic and Taiwan to deliver an AdaptixC2 agent. According to Seqrite Labs, targets of the campaign include government, research, academic,...

    4 min
  4. 6d ago

    May 31, 2026 · #73

    Episode 73 — 31 May 2026 1. Palo Alto GlobalProtect VPN auth bypass flaw now exploited in attacks Source: Bleeping Computer Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. The company fixed the CVE-2026-0257 flaw earlier this month, warning that it could be... 2. California AG sues 23andMe over 2023 breach exposing health data Source: Bleeping Computer California Attorney General Rob Bonta filed a lawsuit against 23andMe, now Chrome Holding Co., over the company’s failure to protect sensitive customer genetic and personal information. Improper security led to a high-profile data breach in 2023 that exposed the sensitive... 3. ChatGPT share links abused to host fake outage pages to deliver malware Source: Bleeping Computer Threat actors are abusing ChatGPT's content-sharing feature to display fake OpenAI outage pages that direct users to download malware disguised as the ChatGPT desktop application. The "LLMShare" campaign, discovered by Push Security , uses Google ads to direct users searching... 4. Dutch govt disrupts malware botnet with 17 million infected devices Source: Bleeping Computer Dutch authorities have taken offline a massive botnet of 17 million devices and seized more than 200 servers at a local provider that supported the operation. The action was carried out following an investigation from the Police in collaboration with the country's... 5. Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 Exploit Source: The Hacker News An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker... 6. New Russia-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks Source: The Hacker News A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in... 7. Malicious Sicoob NuGet Steals Banking Credentials as npm Packages Target Cloud Secrets Source: The Hacker News Cybersecurity researchers have discovered a malicious NuGet package that masquerades as a C# software development kit for Sicoob, one of Brazil's largest cooperative financial systems, to siphon client IDs and PFX certificates. According to Socket, versions 2.0.0 through... 8. Man sent to prison for selling data of 7 millions elderly Americans Source: Bleeping Computer A North Carolina man was sentenced to more than 10 years in prison for selling the personal information of over 7 million elderly Americans to Jamaican scammers. 57-year-old Troy Murray (who used the Steve Dixon pseudonym) pleaded guilty in January 2026 to one count of...

    6 min
  5. May 30

    May 30, 2026 · #72

    Episode 72 — 30 May 2026 1. PAN-OS GlobalProtect Authentication Bypass (CVE-2026-0257) Under Active Exploitation Source: The Hacker News Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-0257 (CVSS score: 7.8), refers to a case of authentication bypass... 2. California AG sues 23andMe over 2023 breach exposing health data Source: Bleeping Computer California Attorney General Rob Bonta filed a lawsuit against 23andMe, now Chrome Holding Co., over the company’s failure to protect sensitive customer genetic and personal information. Improper security led to a high-profile data breach in 2023 that exposed the sensitive... 3. New Gogs zero-day flaw lets hackers get remote code execution Source: Bleeping Computer An unpatched zero-day vulnerability in the Gogs self-hosted Git service can allow attackers to gain remote code execution (RCE) on Internet-facing instances. Designed as an alternative to GitHub Enterprise or GitLab and written in Go, Gogs is often exposed online for remote... 4. ChatGPT share links abused to host fake outage pages to deliver malware Source: Bleeping Computer Threat actors are abusing ChatGPT's content-sharing feature to display fake OpenAI outage pages that direct users to download malware disguised as the ChatGPT desktop application. The "LLMShare" campaign, discovered by Push Security , uses Google ads to direct users searching... 5. Hackers exploit FortiClient EMS flaw to push infostealer malware Source: Bleeping Computer Hackers are exploiting an authentication bypass vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS) to deliver an undocumented credential stealer called EKZ. The attacker disguised the malware as an update for Fortinet endpoints and executed it... 6. Attackers Use LLM Agent for Post-Exploitation After Marimo CVE-2026-39987 Exploit Source: The Hacker News An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker... 7. New Russia-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks Source: The Hacker News A previously undocumented threat actor dubbed GREYVIBE has been attributed to ongoing and persistent attacks targeting Ukraine and Ukraine-related entities since at least August 2025. GREYVIBE, per WithSecure, is assessed to be a Russian-speaking group operating broadly in... 8. Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer Source: The Hacker News Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver credential-stealing malware. "The campaign abused trusted endpoint management infrastructure to deliver malware across...

    4 min
  6. May 29

    May 29, 2026 · #71

    Episode 71 — 29 May 2026 1. Hackers exploit FortiClient EMS flaw to push infostealer malware Source: Bleeping Computer Hackers are exploiting an authentication bypass vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS) to deliver an undocumented credential stealer called EKZ. The attacker disguised the malware as an update for Fortinet endpoints and executed it... 2. New Gogs zero-day flaw lets hackers get remote code execution Source: Bleeping Computer An unpatched zero-day vulnerability in the Gogs self-hosted Git service can allow attackers to gain remote code execution (RCE) on Internet-facing instances. Designed as an alternative to GitHub Enterprise or GitLab and written in Go, Gogs is often exposed online for remote... 3. Charter Communications data breach affects 4.9 million accounts Source: Bleeping Computer The ShinyHunters extortion gang stole personal information from 4.9 million accounts after hacking the U.S. telecom giant Charter Communications in early April, according to data breach notification service Have I Been Pwned. Charter has over 92,000 employees and provides... 4. Glassworm botnet disrupted after resilient C2 infrastructure takedown Source: Bleeping Computer The Glassworm botnet targeting developers in software supply-chain attacks has been disrupted after researchers took down its resilient command-and-control infrastructure relying on Solana blockchain transactions and the BitTorrent DHT network. ​In a coordinated operation... 5. Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer Source: The Hacker News Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deployments to deliver credential-stealing malware. "The campaign abused trusted endpoint management infrastructure to deliver malware across... 6. Gitea Vulnerability Exposes Private Container Images without Authentication Source: The Hacker News Cybersecurity researchers have disclosed a security flaw in Gitea, an open-source, self-hosted platform for version control, that allows unauthenticated remote attackers to pull private container images from Gitea deployments without requiring an account, password, or other... 7. Kimsuky Deploys HTTPSpy, Expands Arsenal with HelloDoor and VS Code Tunnels Source: The Hacker News The North Korean state-sponsored threat actor known as Kimsuky (aka Velvet Chollima) has been attributed to a fresh set of cyber attacks targeting South Korean military and corporate entities through March and April 2026. "Kimsuky employed a range of tailored social... 8. Grandoreiro Malware and BTMOB RAT Campaigns Target Windows and Android Users Source: The Hacker News Latin America and Europe become the target of two banking trojan campaigns that are designed to infect Windows and Android devices with Grandoreiro and BTMOB malware, respectively. That's according to new findings from WatchGuard and ESET, which have observed the two malware...

    5 min
  7. May 28

    May 28, 2026 · #70

    Episode 70 — 28 May 2026 1. CISA gives feds 4 days to patch actively exploited cPanel plugin flaw Source: Bleeping Computer The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has given U.S. federal agencies four days to secure their servers against a critical vulnerability in the LiteSpeed cPanel user-end plugin, which is actively being exploited in attacks. Tracked as CVE-2026-48172... 2. KnowledgeDeliver flaw exploited as a zero-day to install web shells Source: Bleeping Computer Hackers exploited a critical zero-day vulnerability in a server running the KnowledgeDeliver learning management system (LMS) to deploy the Godzilla web shell. The flaw is a deserialization issue tracked as CVE-2026-5426 and can be exploited without authentication. It stems... 3. GPU mining malware spreads via SEO poisoning, AI chatbots Source: Bleeping Computer Threat actors are targeting systems with high-performance computers in an ongoing cryptojacking campaign spread through a coordinated SEO poisoning operation that also manipulated AI chatbot recommendations. ​The compromise occurs through malicious download pages for utility... 4. Glassworm botnet disrupted after resilient C2 infrastructure takedown Source: Bleeping Computer The Glassworm botnet targeting developers in software supply-chain attacks has been disrupted after researchers took down its resilient command-and-control infrastructure relying on Solana blockchain transactions and the BitTorrent DHT network. ​In a coordinated operation... 5. JINX-0164 Targets Cryptocurrency Firms with Fake Recruiter Lures and macOS Malware Source: The Hacker News A new campaign orchestrated by a previously undocumented threat actor has targeted cryptocurrency organizations with an aim to facilitate digital asset theft using recruitment-themed social engineering and bespoke macOS malware. "These campaigns leveraged sophisticated social... 6. Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions Source: The Hacker News Microsoft has rolled out updates to fix a remote code execution vulnerability impacting SharePoint that could be exploited by bad actors in attacks without requiring any specialized conditions to be met. The vulnerability, tracked as CVE-2026-45659, carries a CVSS score of... 7. GlassWorm Malware Takedown Disrupts Developer Supply Chain Attack Infrastructure Source: The Hacker News CrowdStrike, in partnership with Google and the Shadowserver Foundation, has announced the simultaneous disruption of all command-and-control (C2) channels associated with GlassWorm, a persistent software chain campaign targeting software developers through malicious packages... 8. Malicious npm Package Stole Files From Claude AI User Directory via GitHub Source: The Hacker News Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities. According to OX Security, the package, named "mouse5212-super-formatter," is designed to upload files from "/mnt/user-data," a dedicated...

    4 min

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A daily AI-generated cybersecurity briefing. Fresh threat intelligence, vulnerability roundups, and infosec news — concise, clear, and delivered every day.