CVE-2025-2559
medium
CVSS v3
4.9
CVSS v4 NEW
—
VIR risk
4.9
Description
Keycloak Denial of Service (DoS) Vulnerability via JWT Token Cache
Predictions
Exploit likelihood
59%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.keycloak:keycloak-services | <=26.1.4 | |
References
- https://access.redhat.com/errata/RHSA-2025:4335
- https://access.redhat.com/errata/RHSA-2025:4336
- https://access.redhat.com/security/cve/CVE-2025-2559
- https://bugzilla.redhat.com/show_bug.cgi?id=2353868
- https://github.com/keycloak/keycloak/commit/a10c8119d4452b866b90a9019b2cc159919276ca
- https://github.com/keycloak/keycloak/issues/38576
- https://nvd.nist.gov/vuln/detail/CVE-2025-2559
- https://github.com/keycloak/keycloak
CWEs
CWE-770
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.