CVE Explorer
CVE-2026-25598
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"harden-runner","vendor":"step-security","versions":[{"status":"affected","version":"< 2.14.2"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:68a3c03986c0f59d203e447d956af052923ce5131b24f2b641889384ff9d5ac1 · sha256:2326abd6047e1f7d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:68a3c03986c0f59d203e447d956af052923ce5131b24f2b641889384ff9d5ac1 · sha256:2326abd6047e1f7d… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-778","description":"CWE-778: Insufficient Logging","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:68a3c03986c0f59d203e447d956af052923ce5131b24f2b641889384ff9d5ac1 · sha256:2326abd6047e1f7d… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"https://github.com/step-security/harden-runner/releases/tag/v2.14.2","tags":["x_refsource_MISC"],"url":"https://github.com/step-security/harden-runner/releases/tag/v2.14.2"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:68a3c03986c0f59d203e447d956af052923ce5131b24f2b641889384ff9d5ac1 · sha256:2326abd6047e1f7d… · /containers/cna/references/1
{"name":"https://github.com/step-security/harden-runner/security/advisories/GHSA-cpmj-h4f6-r6pq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/step-security/harden-runner/security/advisories/GHSA-cpmj-h4f6-r6pq"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:68a3c03986c0f59d203e447d956af052923ce5131b24f2b641889384ff9d5ac1 · sha256:2326abd6047e1f7d… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.