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CVE-2026-66874
Published:October 14, 2026
Updated:October 15, 2026
For pull request events, Gitea reads workflow definitions from the pull request head and posts a synthetic skipped status when workflow branch or path filters exclude execution. A fork pull request author can supply a workflow matching a required status context but deliberately prevent it from running. Because skipped statuses count as success, branch protection or organization-required workflow checks can appear satisfied without the mandated workflow executing; no runner or maintainer approval is required for this path.
Affected Packages
https://github.com/go-gitea/gitea.git (GITHUB):
Affected version(s) >=v1.27.1 <v1.27.3
Fix Suggestion:
Update to version v1.27.3
code.gitea.io/gitea (GO):
Affected version(s) >=v1.27.1 <v1.27.3
Fix Suggestion:
Update to version v1.27.3
gitea.dev (GO):
Affected version(s) >=v1.27.1 <v1.27.3
Fix Suggestion:
Update to version v1.27.3
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Insufficient Verification of Data Authenticity
Reliance on Untrusted Inputs in a Security Decision
Protection Mechanism Failure
Improper Access Control
EPSS
Base Score:
0.26