CVE-2026-20888 — Improper Access Control in Gitea

CWE-284 — Improper Access ControlCWE-862 — Missing AuthorizationCWE-425 — Forced Browsing6 documents5 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 98.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Code.gitea.io GiteaGithub.com Go-gitea GiteaGitea+1 more
Timeline
PublishedJan 22
Latest updateFeb 2

Description

Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶NVDgitea/gitea< 1.25.4
▶Gocode.gitea.io/gitea< 1.25.4

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
OSV
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface in code.gitea.io/gitea↗2026-02-02
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GHSA
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface↗2026-01-23
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OSV
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface↗2026-01-23
▶

📋Vendor Advisories

1
Red Hat
gitea: Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)↗2026-01-22
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🕵️Threat Intelligence

1
Wiz
CVE-2026-20888 Impact, Exploitability, and Mitigation Steps | Wiz↗
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