CVE-2026-25598

The CVE-2026-25598 issue affects Harden-Runner (GitHub Actions Community Tier) prior to version 2.14.2. The root cause is that outbound traffic using socket calls sendto, sendmsg, and sendmmsg could bypass audit logging when egress-policy is set to audit, enabling potential evasion of monitoring....

CVE-2026-32946

Harden-Runner (GitHub Actions security agent) contains a vulnerability in versions 2.15.1 and earlier that allows bypassing egress-policy: block network restrictions by using DNS queries over TCP. The underlying issue is that DNS over TCP is not adequately restricted when the allowed-endpoints li...

CVE-2026-32947

Harden-Runner (CI/CD security agent for GitHub Actions runners) versions 2.15.1 and earlier are affected by a DNS over HTTPS (DoH) vulnerability that enables data exfiltration through permitted HTTPS endpoints by encoding data (e.g., hostname) in DoH subdomains. The attack requires the attacker t...