CVE-2026-89316

Vulnerability 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**.

Related Weaknesses (CWE)

CWE-248

References

https://github.com/eclipse-keypont/gose/security/advisories/GHSA-fv39-8484-f4wr

FAQ

What is CVE-2026-89316?

CVE-2026-89316 is a documented vulnerability. `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 perm...

How severe is CVE-2026-89316?

CVSS scoring is not yet available for CVE-2026-89316. Check NVD for updates.

Is there a patch for CVE-2026-89316?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.