Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jenkins Project | Jenkins | — | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.jenkins-ci.main:jenkins-core | < 2.555.3 | 2.555.3 | GHSA-92m7-4fpw-2wxm |
| Maven | org.jenkins-ci.main:jenkins-core | >= 2.556, < 2.568 | 2.568 | GHSA-92m7-4fpw-2wxm |
Advisories 1
- WID-SEC-2026-1884 Jenkins: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 26, 2026
References
- Jenkins Security Advisory 2026-06-10 vendor-advisory