`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**.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00207.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Eclipse Foundation Eclipse KeyPont - GOSE unaffected
Version Status Constraints
0.7.3 affected ≤ 0.13.0-rc1
Eclipse Foundation Eclipse KeyPont - GOSE unaffected
Version Status Constraints
0 affected < 1.0.0-rc4

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/eclipse-keypont/gose/security/advisories/GHSA-fv39-8484-f4wr cve-icon cve-icon
History

Fri, 23 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
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**.
Title LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion
Weaknesses CWE-248
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: eclipse

Published:

Updated: 2026-10-23T08:48:08.682Z

Reserved: 2026-09-11T13:55:51.267Z

Link: CVE-2026-89316

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-23T09:17:08.143

Modified: 2026-10-23T09:17:08.143

Link: CVE-2026-89316

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T10:30:09Z

Weaknesses