gittuf: Propagated controller policies not loaded during verification

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-128035
StatePUBLISHED
AssignerAkrites
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-13 16:18:58 UTC
Updated2026-11-13 16:18:58 UTC
DescriptionIn gittuf 0.10.0 through 0.17.0, the verification workflow does not load policy updates that are propagated from an upstream (controller) repository and recorded in the reference state log after the first entry being verified. Only the propagated policy in effect at the start of verification is applied, so later controller changes to global rules, such as threshold requirements and force-push blocks, are ignored and changes that these rules should block pass verification.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from 7fefd608-56a6-419f-a002-fd8543c0710a

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Problem Types: CWE-863 | CWE-863 CWE-863 Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.17fefd608-56a6-419f-a002-fd8543c0710aSecondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Gittuf Gittuf affected 0.10.0 0.18.0 semver Not specified

References

ReferenceSourceLinkTags
github.com/gittuf/gittuf/releases/tag/v0.18.0 7fefd608-56a6-419f-a002-fd8543c0710a github.com
github.com/gittuf/gittuf/security/advisories/GHSA-pchw-g6rm-gxvh 7fefd608-56a6-419f-a002-fd8543c0710a github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to gittuf 0.18.0 or later, then run gittuf verify-ref over the full history of each protected reference. Policy propagation has been moved back into gittuf's developer mode.

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