GHSA-92m7-4fpw-2wxm
Jenkins: Open Redirect phishing attacks possible via "from" parameter in "Delegate to servlet container"
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | < 2.555.3 | 2.555.3 |
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.556, < 2.568 | 2.568 |
Details
As written in the advisory (Markdown source, shown as plain text).
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier does not ensure that the "from" parameter in the "Delegate to servlet container" security realm is safe to redirect to after login, allowing attackers to perform phishing attacks by redirecting users to an attacker-controlled domain.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-53440
- https://github.com/jenkinsci/jenkins/commit/38071826c9a2113e1104714595262827a87b392f
- https://github.com/jenkinsci/jenkins/commit/c45e93f2d77d94ea3b0545eb5aca32b808a27586
- https://github.com/jenkinsci/jenkins
- https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721