Air Security reported that four AI coding agents fetch plugins pinned to a reviewed commit hash but never verify the code they receive matches it. On code hosts that permit branch names shaped like commit hashes, such as Bitbucket or self-hosted git, a plugin repository owner can point that name at different code, so the agent installs malicious code while reporting the locked version. Because plugins run with the user's access, the swapped code reaches files, credentials, and connected systems. Anthropic fixed it in Claude Code 2.1.179 and OpenAI in Codex 0.146.0; GitHub Copilot has no fix, and Google will not patch the retiring Gemini CLI.
Cisco warned that attackers are exploiting a critical zero-day in its Identity Services Engine, the platform that decides which devices are allowed onto a network. Tracked as CVE-2026-76460 and scored 10.0, the flaw is an authentication bypass caused by insufficient authentication controls on an API endpoint, so an unauthenticated attacker can send a crafted request, bypass the management interface, and ultimately gain root. It affects ISE and its Passive Identity Connector regardless of configuration, with no workaround beyond restricting network access. Because a rooted appliance sitting at the network's front door can be used to erase evidence, Cisco urges checking external logs. CISA set a three-day federal patch deadline.
Check Point patched a critical flaw in its management servers that lets an unauthenticated attacker run code as root. Tracked as CVE-2026-91843 and scored 9.8, it is a stack overflow in the login process, which handles requests before a user authenticates, and it can be triggered by a login request carrying an overly long username. It affects Quantum management, Log, and Multi-Domain servers, through the Trusted Clients path. Customers with automatic updates are already protected, and others should apply the vendor's live patch. Check Point reports no exploitation yet, but this is the third serious management-server flaw it has disclosed in weeks, and compromising it means control over the whole firewall estate.
Docker patched two flaws in Docker Sandboxes, the isolated micro-VM environments used to run untrusted code and AI-agent tasks, that let malicious guest code break out and read or modify files on the macOS host. The more serious, CVE-2026-77179 and scored 9.4, is in the file-sharing component: the host improperly follows symbolic links when reopening a file, so a guest can swap a directory for a symlink after a path is approved, escape the shared workspace, and touch arbitrary host files as the account running the VM, potentially leading to host code execution. A second flaw abuses the guest-to-host socket relay the same way. Both are fixed in version 0.42.0.
NLnet Labs patched a critical heap overflow in the DNSSEC validator of Unbound, one of the most widely used recursive DNS resolvers. Tracked as CVE-2026-81642, the flaw can be triggered when a resolver queries a zone an attacker controls, and it can lead to remote code execution. The bug lies in how the validator parses a signing-key record whose owner name points back into the record's own data. Every Unbound release up to and including 1.26.0 is affected, and the fix is in 1.26.1, which also addresses eight other flaws, including a second that could allow code execution. No exploitation is reported, but resolvers query attacker-controlled zones during normal operation.
Attackers are exploiting a critical flaw in Issabel Framework, the web interface for the open-source Asterisk-based phone system. Tracked as CVE-2026-89026 and scored 9.8, the flaw stems from a hardcoded token-signing key that is identical across every installation, so an unauthenticated attacker can forge a valid access token, call the system's call-origination endpoint, and make Asterisk run arbitrary operating-system commands. Researchers at VulnCheck flagged it, and the Shadowserver Foundation first saw exploitation on September 9. A patch released on August 1 replaces the shared key with a unique per-installation key. Exposed, unpatched phone systems should be treated as urgent given the low barrier to attack.
Researchers at JFrog disclosed a flaw in Parallels Desktop, which runs Windows and Linux virtual machines on a Mac, that lets a non-administrator user gain root on the Mac itself. Tracked as CVE-2026-90894 and named ParaShells, the issue is that Parallels' root-level background service listens on a socket that was left world-writable, so any program running as a normal user can connect to it and escalate to root. It needs code already running locally, not network access. The fix is in Parallels Desktop 27, but Intel Macs cannot install that version, leaving those users without a patch. Apple-silicon users should update to the latest release on that line.
Acronis warned that a flaw in its Backup plugin for cPanel and WebHost Manager is being exploited in limited, targeted attacks. Tracked as CVE-2026-87886 and scored 7.8, it is an insecure-file-permissions issue that lets a low-privilege user who already has local access, such as a compromised hosting account, escalate their privileges on the Linux server. From there, an attacker could reach backup data, system files, and other customers' accounts on shared hosting. Acronis's backup add-ons are widely used by web hosts and managed service providers, so the flaw has broad reach. A fix is available, and a related Plesk extension is affected though not yet under attack.
Cisco warned that attackers are exploiting a critical zero-day in its Secure Email Gateway appliances that lets them run commands as root just by sending a crafted email. Tracked as CVE-2026-76461 and scored 9.8, the flaw is a SQL injection in the appliance's email-parsing logic, so an unauthenticated attacker needs no access to the management interface at all. It affects physical and virtual gateways in any configuration, and Cisco confirmed it was exploited as a zero-day before disclosure. CISA added it to its exploited-vulnerabilities catalog with a three-day federal deadline. Because successful attacks grant root, intruders can erase their own tracks, so Cisco urges inspecting mail logs for suspicious activity.
Attackers are exploiting a JWT authentication-bypass flaw in WSO2 products, including its widely used API Manager and Identity Server. Tracked as CVE-2026-5430 and rated 9.8, the flaw is an algorithm-confusion bug: the token validator accepts JWTs signed with algorithms other than the ones it is configured to trust, so an attacker can craft a forged token that passes validation. That lets them mint tokens as an administrator and take over the deployment, gaining control over the APIs and identities the platform manages. Because WSO2 sits at the center of API and identity infrastructure, a takeover can cascade to everything behind the gateway. Active exploitation attempts have been observed against exposed instances.