CVE-2025-27625 Jenkins Open Redirect vulnerability

What is CVE-2025-27625?

CVE-2025-27625 is a medium-severity vulnerability in Jenkins Jenkins, published on 5 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-601

Which versions are affected by CVE-2025-27625?

5 open source packages ship an affected version, including org.jenkins-ci.main:jenkins-core and jenkins. It affects 1 product.

Products include Jenkins Jenkins.

How do I fix CVE-2025-27625?

Upgrade org.jenkins-ci.main:jenkins-core to a fixed version for your release line: 2.492.2 or 2.500.

Is CVE-2025-27625 being exploited?

There is no known exploitation of CVE-2025-27625 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Jenkins

• CVE-2024-23897 Jenkins Command Line Interface (CLI) Path Traversal Exploited Critical 9.8
• CVE-2018-1000861 Jenkins Stapler Web Framework Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2017-1000353 Jenkins Remote Code Execution Exploited Critical 9.8
• CVE-2015-5317 Jenkins User Interface (UI) Information Disclosure Exploited High 7.5
• CVE-2021-21690 Multiple vulnerabilities allow bypassing path filtering of agent-to-controller access control in Jenkins Critical 9.8

All Jenkins Jenkins vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-jenkins-2025-27625, GHSA-8hmv-92wm-39ch, MINI-4jfq-w553-q84p, MINI-8jj8-8229-338h.