CVE-2026-89314Quadratic-time key_ops duplicate check lets a sub-1 MB JWKS body pin a CPU core for ~15 s
Updated under an hour ago ()
Does this affect you?
It affects Eclipse Foundation Eclipse KeyPont - GOSE. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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`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.
- CVSS
- 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-407
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- eclipse
- NVD analysis
- Deferred
- Record last updated
- Oct 23, 2026
- First seen by InfoSec Signals
- Oct 23, 2026
Affected products
Eclipse Foundation Eclipse KeyPont - GOSE eclipse_foundation:eclipse_keypont_gose (from the name) | from 0.7.3 through 0.13.0-rc1 | CNA record |
References
- https://github.com/eclipse-keypont/gose/security/advisories/GHSA-r56w-f43c-828p
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.