CVE-2025-27625
mediumpriority · track · 0EPSS 0.006 · 50 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-0489Jenkins: Mehrere SchwachstellenDeutsch2025-03-05csaf · cert_bundDE
Ein entfernter anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um Informationen preiszugeben, Daten zu manipulieren und Spoofing-Angriffe durchzuführen.
- GHSA-8hmv-92wm-39chJenkins Open Redirect vulnerability 2025-03-06ghsa · osvUS
Various features in Jenkins redirect users to partially user-controlled URLs inside Jenkins. To prevent open redirect vulnerabilities, Jenkins limits redirections to safe URLs (neither absolute nor scheme-relative/network-path reference). In Jenkins 2.499 and earlier, LTS 2.492.1 and earlier, redirects starting with backslash (`\`) characters are considered safe. This allows 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. Jenkins 2.500, LTS 2.492.2 considers redirects to URLs starting with backslash (`\`) characters to be unsafe, rejecting such redirects.
- BIT-jenkins-2025-276252025-03-07vendor · osvUS
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.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2025-27625cnnvd
- https://vigilance.fr/vulnerability/Jenkins-Core-LTS-multiple-vulnerabilities-dated-05-03-2025-46528cnnvd
- https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501cnnvd
- https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501enisa_euvd
- https://www.jenkins.io/security/advisory/2025-03-05/#SECURITY-3501Vendor Advisorynvd
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