Description
gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions, so every token carrying a non-empty `crit` should have been rejected — and none were.
Published: 2026-10-23
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Mon, 02 Nov 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 26 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Eclipse
Eclipse keypont-gose
Vendors & Products Eclipse
Eclipse keypont-gose

Fri, 23 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Description gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions, so every token carrying a non-empty `crit` should have been rejected — and none were.
Title JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11)
Weaknesses CWE-1288
CWE-20
CWE-347
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Eclipse Keypont-gose
cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2026-11-02T13:17:29.417Z

Reserved: 2026-09-11T13:55:53.128Z

Link: CVE-2026-89317

cve-icon Vulnrichment

Updated: 2026-11-02T13:17:22.223Z

cve-icon NVD

Status : Deferred

Published: 2026-10-23T09:17:08.260

Modified: 2026-11-02T14:17:40.403

Link: CVE-2026-89317

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T19:09:25Z

Weaknesses