Improper authorization in [UNKNOWN] keycloak
Priority LOW 37CWE-285Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 3 fixed, 1 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-285.
Summary
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
Why it matters now
EPSS 0.00814 57th percentileScored 2026-11-07
Fix Partial org.keycloak:keycloak-core (Maven): 4.6.0Red Hat: 3 advisoriesRed Hat: 3 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| [UNKNOWN] | keycloak | 4.6.0.Final | — | No fix listed | CNA |
| — | org.keycloak:keycloak-core (Maven) | before 4.6.0 | 4.6.0 | Patch available | GHSA-gf2j-7qwg-4f5x |
- keycloak Vendor[UNKNOWN] Affected 4.6.0.Final Fixed in — No fix listed CNA
- org.keycloak:keycloak-core (Maven) Vendor— Affected before 4.6.0 Fixed in 4.6.0 Patch available GHSA-gf2j-7qwg-4f5x
Remediation
- Fix · GHSA-gf2j-7qwg-4f5x org.keycloak:keycloak-core (Maven) Fixed in 4.6.0 Advisory →
Red Hat 3 advisories
- RHSA-2018:3595 Released 2018-11-13 · Red Hat rating ModerateRed Hat Single Sign-On 7.2.5 security and bug fix update
- Red Hat Single Sign-On 7.2.5 zip
- RHSA-2018:3593 Released 2018-11-13 · Red Hat rating ModerateRed Hat Single Sign-On 7.2.5 on RHEL 7 security and bug fix update
- Red Hat Single Sign-On 7.2 for RHEL 7 Server rh-sso7-keycloak-3.4.14-1.Final_redhat_00001.1.jbcs.el7, rh-sso7-keycloak-server-3.4.14-1.Final_redhat_00001.1.jbcs.el7
- RHSA-2018:3592 Released 2018-11-13 · Red Hat rating ModerateRed Hat Single Sign-On 7.2.5 on RHEL 6 security and bug fix update
- Red Hat Single Sign-On 7.2 for RHEL 6 Server rh-sso7-keycloak-3.4.14-1.Final_redhat_00001.1.jbcs.el6, rh-sso7-keycloak-server-3.4.14-1.Final_redhat_00001.1.jbcs.el6
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Mobile Application Platform 4 | Affected | No fix planned: Out of support scope |
| Red Hat Single Sign-On 7.2 for RHEL 6 Server | Fixed | RHSA-2018:3592 |
| Red Hat Single Sign-On 7.2 for RHEL 7 Server | Fixed | RHSA-2018:3593 |
| Red Hat Single Sign-On 7.2.5 zip | Fixed | RHSA-2018:3595 |
Not affected: 1 product
- Red Hat Fuse 7
Timeline
- 2026-10-02 Threatist record created from CVE-2018-14637
- 2026-10-03 Alias added: GHSA-gf2j-7qwg-4f5x
References
More Red Hat Keycloak vulnerabilities
- TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
- TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
- TI-2020-08665 Server-side request forgery in keycloak CVSS 3.1MEDIUM 5.3
- TI-2022-03468 Path traversal in Red Hat Keycloak CVSS 3.1CRITICAL 9.1
- TI-2021-03612 A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. CVSS 3.1MEDIUM 6.1
- TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
Sources
- CVE-2018-14637 · CVE Program
- CVE-2018-14637 · NVD
- FIRST EPSS
- GHSA-gf2j-7qwg-4f5x · GitHub Advisory Database · CC BY 4.0
- CVE-2018-14637 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences