Home

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.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-10 | Updated 2026-06-10 | Assigner jenkins

Product status

Default status
affected

2.568 (maven) before *
unaffected

2.555.3 (maven) before 2.555.*
unaffected

References

www.jenkins.io/security/advisory/2026-06-10/ (Jenkins Security Advisory 2026-06-10) vendor-advisory

cve.org (CVE-2026-53440)

nvd.nist.gov (CVE-2026-53440)

Download JSON