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A flaw in APT, the package manager for Debian and Ubuntu, allows an attacker who can modify package downloads to swap a checked package for their own. The attacker's code then runs as root, according to advisories that Debian, Ubuntu, and APT's developers published on November 4. The attack needs APT to retry failed downloads, which it does by default from Debian 12 and

SonicWall has warned of two vulnerabilities impacting end-of-life Global Management System (GMS) systems that it said will not be patched. Details of the security flaws, which affect SonicWall GMS 9.5.2 and earlier versions, are below - CVE-2026-109593 (CVSS score: 9.1) - An unauthenticated file read vulnerability that could allow an attacker with network access to read internal GMS files,

Cybersecurity researchers have disclosed details of an OpenAI Codex jailbreak bundle that's designed to modify an artificial intelligence (AI) agent's trusted instructions to insert advertisements for a third-party AI gateway. The phenomenon has been codenamed prompt adware by Check Point Research. Called Haiou (meaning Seagull in Chinese), the jailbreak modifies OpenAI Codex's configuration

Sysdig’s platform uses runtime visibility to track AI agent actions and block risky behavior before it reaches production systems. The post Sysdig Adds Runtime Security and Governance for AI Agents appeared first on SecurityWeek.

The Russia-linked threat actor known as APT29 is said to be behind a large-scale watering hole campaign targeting iOS and Android users through compromised websites, fake domains, and a supply chain attack involving a Ukrainian web analytics service called Plerdy SEO Tracker. "The injected JavaScript code collects browser and device attributes," Sekoia researchers Amaury-Jacques Garçon and

An authentication bypass and a command injection flaw can be chained for root access on Barracuda’s Email Security Gateway appliances. The post Barracuda ESG Authentication Bypass Flaw Opens Path to Root appeared first on SecurityWeek.

The company will invest in agentic data security capabilities and expand its go-to-market organization. The post Agentic Data Security Firm Sentra Raises $150 Million appeared first on SecurityWeek.

Hackers have been harvesting AI access tokens and have been using AI-assisted offensive tools to automate attacks. The post AI-Linked Breaches Mount as WorkOS, Northflank, Trigger.dev Disclose Hacks appeared first on SecurityWeek.

A federal grand jury indicted two Canadian men for hijacking university supercomputers to secretly mine Electroneum cryptocurrency. The post Canadian Extradited to US Over Cryptomining Hacks on University Supercomputers appeared first on SecurityWeek.

A critical flaw in Ruby on Rails could allow an unauthenticated attacker to write arbitrary files on an app's server by uploading a crafted file if the app processes uploads using ImageMagick. The Rails project disclosed the flaw in an advisory and fixed it in versions 8.1.4.1 and 8.0.5.2. The flaw is in Active Storage, the part of Rails that handles file uploads. Some apps store

Two flaws in the Xen hypervisor allow a malicious guest virtual machine (VM) to read and write the memory of other VMs on the same host, including dom0. Dom0 is the VM that, by default, has full permissions and manages the others. Patches are out, and there is no known mitigation, the Xen Project said in an advisory on November 3. All Xen versions from 4.6 onward are vulnerable,

Nearly every agent security pitch now ends on the same promise: the product stops the bad action in real time. The promise holds for one kind of agent, the kind whose traffic passes through a gateway the enterprise owns. Most agents never touch one. One recent case shows what that gap looks like in practice. An employee asked an AI assistant to trigger a mass-email automation. The automation

A China-aligned threat actor known as SlippyNunchucks has been attributed to a Domain Name System (DNS) hijacking operation abusing insecure HTTP communications in Windows versions of Sogou Input Method as part of a surveillance campaign designed to deploy an implant called DarkVigil (aka FDMTP). The campaign, observed starting July 1, 2026, is assessed to have targeted organizations and

Using compromised credentials, the attackers accessed OpsShield’s update servers and poisoned multiple cPGuard versions. The post Malicious cPGuard Updates Served in OpsShield Supply Chain Attack appeared first on SecurityWeek.

The browser update resolves dozens of memory safety bugs and incorrect/missing authorization issues. The post Chrome 157 Rolls Out With 213 Security Fixes, Seven Rated Critical appeared first on SecurityWeek.