// #kubernetes
4 articles
CVE-2026-23111 Detection and Hardening Guide: Protecting Linux Environments from the nf_tables Exploit
With public proof-of-concept code available for CVE-2026-23111, security teams running Linux across production, containerised, and cloud environments need specific detection and hardening guidance. This guide covers kernel patch availability by distribution, interim mitigations, eBPF-based detection, and Kubernetes-specific containment measures.
Golang crypto/ssh Mass Advisory: Nine CVEs Including CVSS 10.0 Re-Opened SSH Auth Bypass Affect Enterprise DevOps Infrastructure
The Go security team published a coordinated batch of nine CVE fixes for the golang.org/x/crypto SSH library on 22 May, including CVE-2026-46595 (CVSS 10.0), which re-opens a previously patched SSH authentication bypass for services using non-public-key authentication callbacks. Enterprise environments using Go-based SSH tooling, CI/CD pipelines, Kubernetes components, and cloud management tooling are affected.
Linux Kernel AP VLAN Flaw CVE-2026-31394 Allows Privilege Escalation in Virtualised and Cloud Environments
CVE-2026-31394 is a privilege escalation vulnerability in the Linux kernel's AP VLAN (access point virtual LAN) network driver. Highlighted in Microsoft's Windows Update security reference guide and tracked by multiple Linux distributions, the flaw allows a local user with network namespace access to escalate privileges. Virtual machine hosts, Kubernetes nodes, and container infrastructure are the highest-risk deployment contexts.
TeamPCP Backdoors LiteLLM on PyPI — AI Gateway Package With 3 Million Daily Downloads Compromised
The LiteLLM Python package — a widely-deployed AI gateway library with three million daily downloads — was backdoored on PyPI on 24 March by threat actor TeamPCP. Malicious versions 1.82.7 and 1.82.8 deployed a three-stage payload stealing cloud credentials, Kubernetes secrets, and CI/CD tokens from any system that installed the package during a 40-minute window.