GHSA-8hmv-92wm-39ch · Severity: medium · Ecosystem: maven — Jenkins Open Redirect vulnerability
In Jenkins 2.499 and earlier, LTS 2.492.1 and earlier, redirects starting with backslash (`\`) characters are considered safe, allowing attackers to perform phishing attacks by having users go to a Jenkins URL that will forward them to a different site, because browsers interpret these characters as part of scheme-relative redirects.
Conclusion & alert: CVE-2025-27625 is rated Low Risk (38/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.37%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-04 | 0.27% | 0.37% | +0.10% |
| 2 | 2026-04-25 | 0.11% | 0.27% | +0.16% |
| 3 | 2025-11-21 | — | 0.11% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-8hmv-92wm-39ch · Severity: medium · Ecosystem: maven — Jenkins Open Redirect vulnerability
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2025-27625: 1 source package rows (jenkins); 26 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 26. | https://security.alpinelinux.org/vuln/CVE-2025-27625 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-27625 |
| URL | Tags |
|---|---|
| https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501 | Vendor Advisory |