sigstore-js: `certificateOIDs` verification constraints are silently dropped and never enforced

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Summary

CVECVE-2026-48815
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-14 21:17:01 UTC
Updated2026-07-14 21:17:01 UTC
Descriptionsigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 4.1.1, the documented certificateOIDs option in sigstore.verify() is accepted by the public API but discarded before verification, so required certificate extension OIDs are never checked and applications relying on certificateOIDs to restrict which certificates may sign artifacts can accept unauthorized certificates. This issue is fixed in version 4.1.1.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

Problem Types: CWE-347 | CWE-347 CWE-347: Improper Verification of Cryptographic Signature

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sigstore Sigstore-js affected < 4.1.1 Not specified

References

ReferenceSourceLinkTags
github.com/sigstore/sigstore-js/security/advisories/GHSA-52v5-jr5w-gjxr [email protected] github.com
github.com/sigstore/sigstore-js/releases/tag/sigstore%404.1.1 [email protected] github.com
github.com/sigstore/sigstore-js/pull/1658 [email protected] github.com
github.com/sigstore/sigstore-js/commit/7845532f9d17f6f765363dbee82b01bd1... [email protected] github.com
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