Jenkins URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2026-53437) - Vulnerability Database

Jenkins URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (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

CVE-2026-53437

Related Vulnerabilities

Severity

Medium

Classification