`LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions)`. A JWK declaring `"kty":"EC"` together with a non-EC `"alg"` — which RFC 7517 §4.4 permits — reaches that assertion and **panics**.
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 `LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions)`. A JWK declaring `"kty":"EC"` together with a non-EC `"alg"` — which RFC 7517 §4.4 permits — reaches that assertion and **panics**.
Title LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion
Weaknesses CWE-248
References
Metrics cvssV4_0

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


cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published: 2026-10-23T08:48:08.682Z

Updated: 2026-11-02T13:16:12.850Z

Reserved: 2026-09-11T13:55:51.267Z

Link: CVE-2026-89316

cve-icon Vulnrichment

Updated: 2026-11-02T13:16:05.463Z

cve-icon NVD

Status : Deferred

Published: 2026-10-23T09:17:08.143

Modified: 2026-11-02T14:17:40.263

Link: CVE-2026-89316

cve-icon Redhat

No data.