Open Redirect in Jenkins Project Keycloak Authentication Plugin
CVE-2026-92141
Jenkins Keycloak Authentication Plugin 2.4.1 and earlier does not restrict the redirect URL after login, allowing attackers to perform phishing attacks.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.jenkins.io/security/advisory/2026-09-16/ (vendor-advisory)
Frequently asked questions
- What is CVE-2026-92141?
- CVE-2026-92141 is a medium-severity vulnerability in Jenkins Project Keycloak Authentication Plugin, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-09-16.
- How severe is CVE-2026-92141?
- Medium severity. CVSS v3 base score is 4.3 out of 10.