CVE-2026-53437

Description

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 tab or newline characters between `//`, allowing attackers to perform phishing attacks.

References

https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3711+3755

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53437.json

https://bugzilla.redhat.com/show_bug.cgi?id=2487544

https://access.redhat.com/security/cve/CVE-2026-53437

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS