CVE-2026-53437

MEDIUM CVSS 4.3 View on NVD ↗

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

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

Published: Jun 10, 2026 14:16 UTC Modified: Jun 10, 2026 19:43 UTC