CVE-2026-53440
MEDIUMJenkins - URL Redirection to Untrusted Site ('Open Redirect')
Title source: ruleDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
Jenkins Security Advisory 2026-06-10
https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721
Scores
CVSS v3
4.3
EPSS
0.0024
EPSS Percentile
14.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-601
Status
published
Products (4)
jenkins/jenkins
< 2.555.3
jenkins/jenkins
< 2.568
Jenkins Project/Jenkins
2.555.3 - 2.555.*
Jenkins Project/Jenkins
2.568
Published
Jun 10, 2026
Tracked Since
Jun 10, 2026