What’s Vulnerable › Vulnerabilities
CVE-2025-27625
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-03-05 · updated 2026-06-17
- Weakness: CWE-601
Description
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.
Affected products
- Jenkins: before 2.492.2; before 2.500 — fixed in 2.492.2, 2.500
How to fix
Upgrade to a fixed version: Jenkins 2.492.2, 2.500. Check the vendor advisory for mitigations.
References
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