CVE-2026-53436

Published: Jun 10, 2026Modified: Jun 11, 2026

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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 relative path segments (`./` or `../`), allowing attackers to perform phishing attacks.

Affected (2)

Products: Jenkins: Jenkins

Jenkins

1 product

Jenkins

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Jenkins Jenkins	Before 2.568
Jenkins Jenkins	Before 2.555.3

Related CWEs

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

References (1)

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

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

Timeline

No history available yet.