Name: CVE-2026-89316: Eclipse Foundation Eclipse KeyPont - GOSE: `LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions)`
Creator: Rapid7
Published: 2026-10-23T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-89316, CVSS 6.3

`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**.

CVSS Details

CVSS 4.0 Base Score: 6.3

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CVSS Details

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