Medium
6.3
LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion
CVE-2026-89316
First seen on SecPulse
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Eclipse Foundation | Eclipse KeyPont - GOSE |
< 1.0.0-rc4 |
1.0.0-rc4 |
Original description The description as published by the source.
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.
Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov