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CVE-2026-89316

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

Description (CNA)

`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**.

Affected (CNA)

Vendor / productVersions
Eclipse Foundation / Eclipse KeyPont - GOSEaffected 0.7.3 through 0.13.0-rc1
Eclipse Foundation / Eclipse KeyPont - GOSEaffected 0 before 1.0.0-rc4

CWE

CWE-248

References