CVE-2026-20888

MEDIUM EPSS 22.0%
Published Jan 22, 20265mo ago · Modified Jun 17, 20262w ago
4.3 CVSS 3.1
Medium
Find Similar
Published Jan 22, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
4.3
Exploitability
2.8
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
22.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-284
CWE-862 Missing Authorization Authorization

Affected Products 1

VendorProductVersionRange
giteagitea* <1.25.4

References 5

  • blog.gitea.com https://blog.gitea.com/release-of-1.25.4/
    Release Notes
  • github.com https://github.com/go-gitea/gitea/pull/36341
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/pull/36356
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/releases/tag/v1.25.4
    Release Notes
  • github.com https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64
    Broken Link

Remediation

  • github.com https://github.com/go-gitea/gitea/pull/36341
    Issue TrackingPatch
  • github.com https://github.com/go-gitea/gitea/pull/36356
    Issue TrackingPatch