CVE-2026-20888

MEDIUM
2026-01-22 88ee5874-cf24-4952-aea0-31affedb7ff2 GHSA-9cgq-wp42-4rpq
4.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Jan 29, 2026 - 22:00 nvd
Patch available
CVE Published
Jan 22, 2026 - 22:16 nvd
MEDIUM 4.3

Tags

Authentication Bypass Gitea Redhat Suse

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.

Analysis

Gitea fails to enforce proper authorization checks when users attempt to cancel scheduled auto-merges through the web interface, allowing any user with pull request read access to cancel merge operations initiated by other users. This authorization bypass could disrupt automated workflows and merge processes across repositories. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +22
POC: 0

Vendor Status

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CVE-2026-20888 vulnerability details – vuln.today
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