CVE-2026-89314
`jwkFields.CheckConsistency` detected duplicate `key_ops` entries with a pairwise nested loop…
- Risk score
- 45/100
- CVSS
- 6.9 v4.0
- Exploit chance (30 days)
- 0.3%
- Published
- 23 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.9 medium
References
Original 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.
Last activity 23 Oct 2026. Patch Forecast updates every hour.