Jenkins Open Redirect via Relative Path Segments in Post-Login Redirect URL
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains relative path segments (`./` or `../`), allowing attackers to perform phishing attacks.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-53436US | — | — | ||
Jenkins 2.567 and earlier, LTS 2.555.2 and earlier improperly determines that a redirect URL after login is legitimately pointing to Jenkins when it contains relative path segments… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/jenkinsci/jenkinsWEB
- https://github.com/jenkinsci/jenkins/commit/8ef52891b07eb639b38271e4bab5dab3c0f10fdaWEB
- https://github.com/jenkinsci/jenkins/commit/b32f2f27a82ed187a34f55b05edcc4a83563d574WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-53436ADVISORY
- https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3711+3755WEB
scry
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