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Vulnerability Analysis

OpenSSL's 29 September Advisory: 14 CVEs, and Most Need DTLS or QUIC

OpenSSL fixed 14 CVEs on 29 Sept in 4.0.3, 3.6.5, 3.5.9 and 3.4.8. The only High is in DTLS and five Lows are QUIC-only. Here's how to tell what your build reaches.

Oct 18, 20266 min read
Vulnerability Analysis

CVE-2026-110447: How a Quoting Bug in Nextcloud's Built-in Collabora Server Became Exploited RCE

CVE-2026-110447 is an unauthenticated command injection in "Collabora Online - Built-in CODE Server", the Nextcloud app (richdocumentscode) that runs a bundled Collabora office server inside a Nextcloud install.

Oct 18, 202611 min read
Vulnerability Analysis

CVE-2026-49950: Xoscar's Actor Pool Unpickles Before It Checks, and There Is No Patch Yet

CVE-2026-49950 is a critical remote code execution bug in Xoscar, the Python actor framework that the Xinference model-serving platform is built on. Anyone who can reach an Xoscar actor pool over TCP can run code as the process that owns it. No authentication is needed.

Oct 18, 202610 min read
Vulnerability Analysis

OpenVPN CVE-2026-84790: How a NUL Byte in a Certificate Name Turns 'admin\0impersonator' Into 'admin'

OpenVPN 2.7.8 fixes CVE-2026-84790, a bug where a certificate whose common name contains a hidden NUL byte, such as admin\0impersonator, is treated as belonging to admin. A peer holding such a certificate could pass a --verify-x509-name admin check, and on a server it would be handed admin's per-client configuration.

Oct 18, 20269 min read
Vulnerability Analysis

Nix CVE-2026-110450: How the Daemon's Repair Flag Let Any Local User Replace the Nix Binary

On 13 October 2026, Nix and Lix fixed five vulnerabilities. The most serious, CVE-2026-110450, let any user allowed to talk to the Nix daemon overwrite any path in /nix/store, including the nix binary the root-owned daemon runs. On macOS, a second bug let build processes reach the daemon too.

Oct 18, 202612 min read
Vulnerability Analysis

Libreswan's October Fixes: A Pre-Auth Use-After-Free, Two AI-Found Crashes, and a Fix That Broke FIPS Mode

Libreswan 5.4.1 and 5.3.3 fix four vulnerabilities, three of them reachable by an unauthenticated peer. The CVE records appeared on 13 October, and as of 14 October Debian and Red Hat hadn't shipped fixed packages. What each bug does, who is exposed, and what to do now.

Oct 18, 202611 min read
Vulnerability Analysis

CVE-2026-104795: How OpenShift's Insights Runtime Extractor Lets a Pod Take Over Its Node

CVE-2026-104795 is a container escape in OpenShift's insights-runtime-extractor. Any tenant who can schedule a pod can get root with CAP_SYS_ADMIN on the node. No fix has shipped yet.

Oct 18, 20269 min read
Vulnerability Analysis

Podman CVE-2026-94603: How One Image Annotation Switched Off the Sandbox You Asked For

From Podman 4.4.0 until the September 2026 fixes, rootful podman run treated any image with a checkpoint annotation as a checkpoint and ignored flags like --cap-drop=ALL. Who is exposed and how to check images.

Oct 18, 202610 min read
Vulnerability Analysis

nginx 1.30.6 and 1.31.7: Five Configuration-Dependent CVEs and How to Check Your Config

nginx 1.30.6 and 1.31.7 fix five CVEs, three scored 9.2 by F5. Each needs a specific configuration to be reachable. What triggers each one, F5's workarounds, and a script that checks your nginx -T output.

Oct 18, 202610 min read

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