CVEvulnerability
CVE-2026-18218
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-07-31
- Last modified
- 2026-09-16
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.2 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-862
Description
A flaw was found in the TokenManager component of the Keycloak identity management service. When an administrator attempts to revoke tokens for a specific application (client) using a "not-before" policy, the revocation may be silently ignored if the overall security realm already has an older, non-zero revocation policy in place. This issue can allow previously issued tokens to remain valid for refreshing sessions and accessing user information even after an administrator has attempted to invalidate them.
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Affected configurations
• redhat build of keycloak
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://access.redhat.com/errata/RHSA-2026:68277 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:68278 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-18218 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2508313 Issue Tracking, Vendor Advisory