Gitea LFS mirror synchronization bypasses migration HTTP transport restrictions
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Gitea versions before 1.25.5 do not use the migration HTTP transport for LFS push and sync mirror operations, bypassing the configured migration transport protections for those LFS requests.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
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 | before 1.25.5 | 1.25.5 | Patch available | CNA |
| — | code.gitea.io/gitea (Go) | before 1.25.5 | 1.25.5 | Patch available | GHSA-rc56-rj3f-xggf |
- Gitea Open Source Git Server VendorGitea Affected before 1.25.5 Fixed in 1.25.5 Patch available CNA
- code.gitea.io/gitea (Go) Vendor— Affected before 1.25.5 Fixed in 1.25.5 Patch available GHSA-rc56-rj3f-xggf
Remediation
- Fix · CNA Gitea Open Source Git Server (Gitea) Fixed in 1.25.5
- Fix · GHSA-rc56-rj3f-xggf code.gitea.io/gitea (Go) Fixed in 1.25.5 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Gitea Open Source Git Server 1.25.5
14 records Highest priority Priority MEDIUM 7 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-21232 Gitea OAuth2 PKCE S256 challenges are not enforced during token exchangePriority MEDIUM 48
- TI-2026-21222 Gitea OAuth2 authorization codes lack expiry and reuse enforcementPriority MEDIUM 48
- TI-2026-20788 Gitea template repository generation mishandles symlinked pathsPriority MEDIUM 48
Timeline
- 2026-10-02 Threatist record created from CVE-2026-26292
- 2026-10-03 Alias added: GHSA-rc56-rj3f-xggf
- 2026-10-14 EPSS moved to the 50th–90th percentile
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-2026-26292 · CVE Program
- CVE-2026-26292 · NVD
- FIRST EPSS
- GHSA-rc56-rj3f-xggf · GitHub Advisory Database · CC BY 4.0
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