Vulnerability in Red Hat Build Of Keycloak
CVE-2026-7507
A session fixation vulnerability was found in Keycloak's login-actions endpoints. An unauthenticated attacker could exploit this flaw by pre-creating an authentication session and tricking a victim into visiting a maliciously crafted link…
EPSS: 0.000 (4.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Red Hat Build Of Keycloak
- Red Hat Build Of Keycloak 26.2 — versions 26.2.16-1, 26.2-21
- Red Hat Build Of Keycloak 26.2.16
- Red Hat Build Of Keycloak 26.4 — versions 26.4.12-1, 26.4-17
- Red Hat Build Of Keycloak 26.4.12
- Redhat Build_of_keycloak
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-7507?
- CVE-2026-7507 is a high-severity vulnerability in Red Hat Build Of Keycloak, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2026-05-19.
- How severe is CVE-2026-7507?
- High severity. CVSS v3 base score is 7.5 out of 10.