Is there a public exploit for CVE-2026-89313?

No public exploit for CVE-2026-89313 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-89313?

CVE-2026-89313 scores CVSS 6.3 (v4.0), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.23%.

What does CVE-2026-89313 affect?

CVE-2026-89313 affects Eclipse Foundation Eclipse KeyPont - GOSE.

6.3 Medium

JwksTrustStore.Get assigned each parsed key to the function's named return value while refreshing the JWKS cache.

CVE-2026-89313

JwksTrustStore.Get assigned each parsed key to the function's named return value while refreshing the JWKS cache. When the requested kid was not present, the trailing naked return handed the caller the last key in the JWKS document together with a nil error — a confidently wrong answer instead of "not found".

Assessment

CVSS: 6.3 (v4.0)
Severity: Medium
EPSS: 0.23% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 23 October 2026
Last updated: 2 November 2026
Affected: Eclipse Foundation · Eclipse KeyPont - GOSE
Assigner: eclipse

CVSS vectorCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://github.com/eclipse-keypont/gose/security/advisories/GHSA-v7r8-g6h9-99vv

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