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.

Remediation

References

CVE-2026-53437

Related Vulnerabilities

WordPress Plugin Featured Content 'param' Parameter Cross-Site Scripting (0.0.1)

Liferay Portal Other Vulnerability (CVE-2024-26270)

WordPress Plugin Contest Gallery-Photo Contest for WordPress Cross-Site Request Forgery (10.4.1.1)

TYPO3 Permissions, Privileges, and Access Controls Vulnerability (CVE-2008-2717)

CKEditor Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2025-61261)

Severity

Medium

Classification

CVE-2026-53437 CWE-601 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Tags

Missing Update Known Vulnerabilities