Summary
Gitea contains a code injection vulnerability that allows an attacker with repository write access to send a malicious patch to the diffpatch API endpoint to plant an executable Git hook and run shell commands as the Gitea service account.
Remediation
CISA required actionApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
References
- Advisoryhttps://github.com/go-gitea/gitea/security/advisories/GHSA-rcr6-4jqh-j84m
- Advisoryhttps://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- Advisoryhttps://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- Advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-60004
- Referencehttps://blog.gitea.com/release-of-1.27.1/
- Referencehttps://www.runzero.com/blog/gitea/
- Referencehttps://github.com/0xBlackash/CVE-2026-60004
- Referencehttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-60004