Latest Cybersecurity News & Insights

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Critical Zimbra Flaw Could Let Crafted Emails Run Malicious Code in User Sessions

Zimbra is urging customers to apply updates to address a critical security vulnerability impacting the Classic Web Client that could result in arbitrary code execution. The vulnerability has been described as a case of stored cross-site scripting (XSS) that could allow specially crafted emails to execute malicious scripts in a user's session. It has yet to be assigned a CVE identifier. "The

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Attackers Exploit 'Ill Bloom' Vulnerability to Drain $3.1 Million From Cryptocurrency Wallets

Security firm Coinspect has disclosed a crypto wallet flaw it calls Ill Bloom, and attackers are already using it. The flaw is in how some wallet software generated its recovery phrase, the words that control the money. When that phrase is made with weak randomness, an attacker can work it out and take everything it controls. Coinspect has confirmed one coordinated sweep on May

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12 Million Impacted by Data Breach at Japanese Telco KDDI

Hackers exploited a zero-day vulnerability in a third-party system to access a KDDI email system for ISPs. The post 12 Million Impacted by Data Breach at Japanese Telco KDDI appeared first on SecurityWeek.

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15-Year-Old Linux Vulnerability ‘GhostLock’ Earns Researchers $92k From Google

Affecting every major distribution since 2011, the Linux kernel vulnerability allows attackers to gain root access. The post 15-Year-Old Linux Vulnerability ‘GhostLock’ Earns Researchers $92k From Google appeared first on SecurityWeek.

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Microsoft Patches Defender ‘RoguePlanet’ Vulnerability

The privilege escalation vulnerability tracked as CVE-2026-50656 has been patched with a Microsoft Malware Protection Engine update. The post Microsoft Patches Defender ‘RoguePlanet’ Vulnerability appeared first on SecurityWeek.

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Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges

Microsoft has released security updates for a Defender vulnerability known as RoguePlanet, nearly a month after details of the flaw became public. The vulnerability, tracked as CVE-2026-50656 (CVSS score: 7.8), is a privilege escalation issue in the Microsoft Malware Protection Engine ("mpengine.dll"), which provides scanning, detection, and cleaning capabilities for its antivirus and

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Top AI Agents Built to Catch Malicious Code Can Be Tricked Into Running It

Ask an AI coding agent to scan open-source code for security holes, and it might run the attacker's code on your own machine instead. That is the finding in a proof-of-concept published Wednesday by the AI Now Institute, an attack it calls "Friendly Fire." It works against Anthropic's Claude Code and OpenAI's Codex when either is running in an autonomous mode that approves its own

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Unpatched Backdoor in Tenda Firmware Grants Admin Access to Devices

Tracked as CVE-2026-11405, the vulnerability allows unauthenticated attackers to access a device's web management interface. The post Unpatched Backdoor in Tenda Firmware Grants Admin Access to Devices appeared first on SecurityWeek.

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Ubiquiti Patches Critical UniFi Flaws Across Connect, Talk, Access, Protect, and OS

Ubiquiti has shipped updates to address multiple critical security flaws impacting UniFi Connect, UniFi Talk, UniFi Access, UniFi Protect, and UniFi OS that could result in privilege escalation and arbitrary command execution. The list of vulnerabilities is as follows - CVE-2026-50746 (CVSS score: 10.0) - An improper access control vulnerability in UniFi Connect Application that an attacker

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Felons, Fraudsters Flog Offensive Cybersecurity Startup

A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a now-defunct AI-based lobbying platform they operated under assumed names.

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Google Dialogflow CX Bug Allowed Attackers to Hijack AI Conversations

The "Rogue Agent" vulnerability could have enabled attackers to silently manipulate AI conversations, exfiltrate data, and compromise every Dialogflow CX agent within the same Google Cloud project. The post Google Dialogflow CX Bug Allowed Attackers to Hijack AI Conversations appeared first on SecurityWeek.

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Critical Vulnerability Exposes GitHub Agentic Workflows to Prompt Injection

Researchers show how attackers can use a crafted public GitHub Issue to trick AI-powered workflows into exposing data from private repositories without authentication. The post Critical Vulnerability Exposes GitHub Agentic Workflows to Prompt Injection appeared first on SecurityWeek.

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15-Year-Old GhostLock Flaw Enables Root and Container Escape on Most Linux Distros

Researchers at Nebula Security have disclosed GhostLock (CVE-2026-43499), a 15-year-old Linux kernel flaw that lets any logged-in user take full root control of a machine that has not been patched. The vulnerable code has shipped by default in essentially every mainstream distribution since 2011. The flaw needs no special permission, no unusual settings, and no network

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CISA Adds 4 Actively Exploited Adobe, Joomla, and Langflow Flaws to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerabilities are listed below - CVE-2026-48282 (CVSS score: 10.0) - A path traversal vulnerability in Adobe ColdFusion that could lead to arbitrary code execution in the context of the

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Critical Gitea Flaw Under Active Exploitation, Researchers Warn

Attackers are exploiting the critical Gitea vulnerability CVE-2026-20896 to bypass authentication with a single HTTP header and access vulnerable repositories and secrets. The post Critical Gitea Flaw Under Active Exploitation, Researchers Warn appeared first on SecurityWeek.

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DEBULL Tooling Abuses Microsoft Device-Code Flow to Target M365 Accounts

A Microsoft 365 device code phishing campaign has been observed leveraging collaboration-themed lures to take control of victim accounts between the last week of June 2026 and into early July, per findings from ZeroBEC. "The campaign did not depend on a fake Microsoft password page. It used a malicious collaboration-style lure to push users into the legitimate Microsoft device login experience,

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Writer AI Flaw Could Let Agent Previews Leak Session Tokens Across Tenants

Cybersecurity researchers have disclosed details of a now-patched critical session isolation vulnerability in Writer, an enterprise generative artificial intelligence (AI) platform, that could result in cross-tenant compromise. The one-click vulnerability has been codenamed WriteOut by the Sand Security Research team. "An outsider could go from having no access to taking over any Writer AI

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CISA Reportedly Using Anthropic’s Mythos to Scan Government Software for Flaws

The audits are reportedly being spearheaded by CISA’s Attack Surface Evaluation team, a specialized unit tasked with conducting digital defense assessments and simulated hacking exercises. The post CISA Reportedly Using Anthropic’s Mythos to Scan Government Software for Flaws appeared first on SecurityWeek.

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Critical Adobe ColdFusion Vulnerability Exploited in Attacks

Hackers are exploiting a recently patched critical vulnerability (CVE-2026-48282) in Adobe ColdFusion that carries a CVSS score of 10/10. The post Critical Adobe ColdFusion Vulnerability Exploited in Attacks appeared first on SecurityWeek.

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Linux Kernel Vulnerability Allows VM Escape on Intel and AMD Systems

The 16-year-old Januscape flaw affects Linux's KVM hypervisor, allowing attackers to escape virtual machines and potentially execute code on the underlying host. The post Linux Kernel Vulnerability Allows VM Escape on Intel and AMD Systems appeared first on SecurityWeek.