TI-2026-22121 Aliases CVE-2026-27761 GHSA-3pww-vcvm-3gmj

Gitea repository feeds bypass API token scope enforcement

MEDIUM 53CWE-863Published 2026-07-03 · Updated 2026-07-07

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

Gitea versions up to and including 1.26.2 allow repository RSS and Atom feed endpoints to bypass API access token scope checks, exposing private repository commit data to tokens without the required repository scope.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00451 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: No
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	up to 1.26.2	—	No fix listed	CNA
—	code.gitea.io/gitea (Go)	before 1.26.3	1.26.3	Patch available	GHSA-3pww-vcvm-3gmj

Gitea Open Source Git Server VendorGitea Affected up to 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-3pww-vcvm-3gmj

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:gitea:gitea::::::::	—	—	Gitea

cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:* Versions — — ·Gitea

Remediation

Fix · GHSA-3pww-vcvm-3gmj code.gitea.io/gitea (Go) Fixed in 1.26.3 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-27761
2026-10-03 Alias added: GHSA-3pww-vcvm-3gmj

References

Patch 1

GitHub Pull Request #38147

Advisory 2

Other 5

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

See all 240 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences