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.
History

Fri, 12 Jun 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 12 Jun 2026 01:15:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins
Jenkins jenkins
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Vendors & Products Jenkins
Jenkins jenkins

Wed, 10 Jun 2026 18:30:00 +0000

Type Values Removed Values Added
Title Open Redirect Allows Phishing via Jenkins Login Redirect

Wed, 10 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N'}


Wed, 10 Jun 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins
Vendors & Products Jenkins Project
Jenkins Project jenkins

Wed, 10 Jun 2026 15:15:00 +0000

Type Values Removed Values Added
Title Open Redirect Allows Phishing via Jenkins Login Redirect
Weaknesses CWE-601

Wed, 10 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published: 2026-06-10T13:06:00.984Z

Updated: 2026-06-10T14:39:11.982Z

Reserved: 2026-06-09T14:26:44.789Z

Link: CVE-2026-53440

cve-icon Vulnrichment

Updated: 2026-06-10T14:39:03.542Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-10T14:16:36.990

Modified: 2026-06-12T01:03:40.350

Link: CVE-2026-53440

cve-icon Redhat

No data.