Medium severity5.4NVD Advisory· Published Jul 17, 2026· Updated Aug 31, 2026
CVE-2026-16089
CVE-2026-16089
Description
A flaw was found in the keycloak-services component of Red Hat Build of Keycloak. The issue occurs because OAuth 2.0 authorization codes are not properly bound to the client that originally requested them. An attacker who can intercept an authorization code can modify it to be redeemed by their own client, potentially allowing them to obtain access tokens for a victim's identity.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- cpe:2.3:a:redhat:build_of_keycloak:-:*:*:*:-:*:*:*
Patches
Vulnerability mechanics
References
2- access.redhat.com/security/cve/CVE-2026-16089nvdVendor Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor Advisory
News mentions
1- Keycloak Services: Nine Moderate Vulnerabilities Disclosed in Authorization and Session ManagementVypr Intelligence · Jul 17, 2026