CVE-2026-89316 - LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion

CVE-2026-89316 - LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion

https://cvefeed.io/rssfeed/latest.atom / Fri, 10/23/2026 - 14:11
CVE ID :CVE-2026-89316
Published : Oct. 23, 2026, 9:17 a.m. | 1 hour, 4 minutes ago
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**.
Severity: 6.3 | MEDIUM
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