Description
In gittuf 0.10.0 through 0.15.0, when a minimum threshold global rule and a policy rule protect the same namespace, verification gives the global rule's check over all trusted users in the policy precedence over the policy rule's own authorized users. A user listed in the policy file but not authorized by the policy rule, or fewer users than the rule's threshold, can make changes to the protected namespace that pass verification.
Published: 2026-11-13
Score: 6.5 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Upgrade to gittuf 0.16.0 or later, which checks policy rules and global rules independently. Then re-run verification on the repository to make sure the vulnerability was not exploited.

Tracking

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Advisories

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History

Fri, 13 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Gittuf
Gittuf gittuf
Vendors & Products Gittuf
Gittuf gittuf

Fri, 13 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description In gittuf 0.10.0 through 0.15.0, when a minimum threshold global rule and a policy rule protect the same namespace, verification gives the global rule's check over all trusted users in the policy precedence over the policy rule's own authorized users. A user listed in the policy file but not authorized by the policy rule, or fewer users than the rule's threshold, can make changes to the protected namespace that pass verification.
Title gittuf: Policy rules bypassed in the presence of global rules
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Akrites

Published:

Updated: 2026-11-13T15:20:38.824Z

Reserved: 2026-11-12T20:36:23.291Z

Link: CVE-2026-128037

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-13T16:18:59.117

Modified: 2026-11-13T16:18:59.223

Link: CVE-2026-128037

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-13T21:15:12Z

Weaknesses