
CVE catalog
CVE-2026-4629
A flaw was found in Keycloak. A highly privileged user with `manage-clients` permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.49% · Oct 25, 2026
A flaw was found in Keycloak. A highly privileged user with `manage-clients` permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the `realm-admin` role into generated tokens, resulting in privilege escalation and full administrative access to the realm. keycloak: Keycloak: Privilege escalation through hardcoded role mapper injection The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | build_of_keycloak | Not reported | Not reported | unknown |
| Cpe | build_of_keycloak | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://access.redhat.com/errata/RHSA-2026:50846]
- [https://access.redhat.com/errata/RHSA-2026:50847]
- [https://access.redhat.com/errata/RHSA-2026:50848]
- [https://access.redhat.com/security/cve/CVE-2026-4629]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2450244]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-4629]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4629.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2145.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]