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CVE-2026-25598

Bypassing Logging of Outbound Connections Using sendto, sendmsg, and sendmmsg in Harden-Runner (Community Tier) PUBLISHED

Description (CNA)

Harden-Runner is a CI/CD security agent that works like an EDR for GitHub Actions runners. Prior to 2.14.2, a security vulnerability has been identified in the Harden-Runner GitHub Action (Community Tier) that allows outbound network connections to evade audit logging. Specifically, outbound traffic using the sendto, sendmsg, and sendmmsg socket system calls can bypass detection and logging when using egress-policy: audit. This vulnerability is fixed in 2.14.2.

Affected (CNA)

Vendor / productVersions
step-security / harden-runneraffected < 2.14.2

CWE

CWE-778

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.