Keycloak-services: keycloak-services: authorization codes can be retargeted to another client session
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-16089
PublishedA 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.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-16089
PublishedKeycloak-services: keycloak-services: authorization codes can be retargeted to another client session
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.
- Source published
- 17 Jul 2026 14:15:43 UTC
- Source modified
- 16 Sep 2026 18:34:06 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 5.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:N