THREAT OPS › Threat News › [NVD] CVE-2026-16103 (MEDIUM 4.3) — A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication (CIBA) initiation handler but were omitted from the token redempti
[NVD] CVE-2026-16103 (MEDIUM 4.3) — A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication (CIBA) initiation handler but were omitted from the token redempti
CVE-2026-16103 CVSS: 4.3 MEDIUM Published: 2026-07-17T17:17:14.263
A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication (CIBA) initiation handler but were omitted from the token redemption handler. This allows an attacker with valid clien
MITRE ATT&CK techniques
- CredentialsT1589.001
Indicators of compromise
- CVE-2026-16103cve
- CVE-2026-9798cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-16103