All vulnerabilities
CVE-2026-89314GHSA-r56w-f43c-828p

Eclipse KeyPont - GOSE: Quadratic-time key_ops duplicate check lets a sub-1 MB JWKS body pin a CPU core for ~15 s

Eclipse Foundation Eclipse KeyPont - GOSE
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.0.0-rc4Fixed versionCVE List
Published23 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

jwkFields.CheckConsistency detected duplicate key_ops entries with a pairwise nested loop, making validation cost grow with the square of the entry count. Because the check runs on every JWK and JWKS unmarshal, a modestly sized but hostile JWKS document could occupy a CPU core for many seconds.

Text from CVE List

Affected versions 2

  • Eclipse KeyPont - GOSEaffected: 0.7.3 through 0.13.0-rc1CVE List
  • Eclipse KeyPont - GOSEaffected: all versions before 1.0.0-rc4CVE List

References 1