Gitea fork synchronization can expose private parent repository data
Priority HIGH 72CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure, Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-200 and CWE-284.
Summary
Gitea 1.26.2 allows fork synchronization to continue after a parent repository changes from public to private, exposing data to a fork that should no longer be authorized.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00449 39th percentileScored 2026-11-07
Fix Fixed code.gitea.io/gitea (Go): 1.26.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Gitea | Gitea Open Source Git Server | 1.26.2 | — | No fix listed | CNA |
| — | code.gitea.io/gitea (Go) | before 1.26.3 | 1.26.3 | Patch available | GHSA-wrf9-r3h7-7x5v |
- Gitea Open Source Git Server VendorGitea Affected 1.26.2 Fixed in — No fix listed CNA
- code.gitea.io/gitea (Go) Vendor— Affected before 1.26.3 Fixed in 1.26.3 Patch available GHSA-wrf9-r3h7-7x5v
Remediation
- Fix · GHSA-wrf9-r3h7-7x5v code.gitea.io/gitea (Go) Fixed in 1.26.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24451
- 2026-10-03 Alias added: GHSA-wrf9-r3h7-7x5v
References
More Gitea vulnerabilities
- TI-2026-42785 Gitea before 1.27.1 allows remote code execution via the diffpatch API through Git hook installation. KEVCVSS 3.1CRITICAL 9.8
- TI-2026-42033 Improper authorization on OAuth sign-in callback silently re-enables administrator-disabled accounts CVSS 3.1CRITICAL 9.8
- TI-2026-40842 Privilege Escalation via Access Token Scope Escalation in API CVSS 3.1CRITICAL 9.8
- TI-2026-16922 Gitea Docker image trusts spoofable reverse-proxy headers by default CVSS 3.1CRITICAL 9.8
- TI-2026-42043 Team-repository linking endpoint bypasses the RepoAdminChangeTeamAccess organization setting CVSS 3.1CRITICAL 9.1
- TI-2026-40381 OIDC userinfo Endpoint Returns Identity Claims Without Enforcing API Token Scopes CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-24451 · CVE Program
- CVE-2026-24451 · NVD
- FIRST EPSS
- GHSA-wrf9-r3h7-7x5v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences