Insufficient verification of data authenticity in Red Hat keycloak
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 1 fixed, 2 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-345.
Summary
It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.
Why it matters now
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 |
|---|---|---|---|---|---|
| Red Hat | keycloak | 4.8.3 | — | No fix listed | CNA |
| — | keycloak-connect (npm) | before 4.8.3 | 4.8.3 | Patch available | GHSA-68hw-vfh7-xvg8 |
- keycloak VendorRed Hat Affected 4.8.3 Fixed in — No fix listed CNA
- keycloak-connect (npm) Vendor— Affected before 4.8.3 Fixed in 4.8.3 Patch available GHSA-68hw-vfh7-xvg8
Remediation
- Fix · GHSA-68hw-vfh7-xvg8 keycloak-connect (npm) Fixed in 4.8.3 Advisory →
Red Hat 1 advisory
- RHSA-2019:1456 Released 2019-06-11 · Red Hat rating ModerateRed Hat Single Sign-On 7.3.2 security update
- Red Hat Single Sign-On 7.3.2 zip
Vendor assessments
Red Hat
Red Hat rating: Low. 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 | Affected | No fix yet |
| Red Hat Single Sign-On 7.3.2 zip | Fixed | RHSA-2019:1456 |
Not affected: 2 products
- Red Hat Fuse 7
- Red Hat OpenShift Application Runtimes
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10157
- 2026-10-03 Alias added: GHSA-68hw-vfh7-xvg8
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-2019-10157 · CVE Program
- CVE-2019-10157 · NVD
- FIRST EPSS
- GHSA-68hw-vfh7-xvg8 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-10157 · 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