CVE-2026-27775 | Gitea 1.25.5 caches a branch-specific write-permission resul…

Description

Gitea 1.25.5 caches a branch-specific write-permission result across multiple refs in one pre-receive hook session, allowing a per-branch maintainer-edit grant to be reused for other refs and escalate to full repository write access.

Metadata

CVE ID: CVE-2026-27775
State: PUBLISHED
Assigner: Gitea
Reserved: 2026-03-03 03:25 UTC
Published: 2026-07-03 20:19 UTC
Last updated: 2026-07-03 20:19 UTC
Primary CWE: CWE-863
CWE-863
Vendor / Product: Gitea / Gitea Open Source Git Server
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (1)

Vendor	Product	Platform	Versions
Gitea	Gitea Open Source Git Server	—	1.25.5

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	CWE-863

References (4)

GitHub Security Advisory https://github.com/go-gitea/gitea/security/advisories/GHSA-649p-mmhf-85c7
GitHub Pull Request #38151 https://github.com/go-gitea/gitea/pull/38151
Gitea v1.26.3 Release https://github.com/go-gitea/gitea/releases/tag/v1.26.3
Gitea v1.26.4 Release Blog Post https://blog.gitea.com/release-of-1.26.3-and-1.26.4/