CVE-2026-53440

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:jenkins:jenkins:::::lts:::*
	cpe:2.3:a:jenkins:jenkins:::::-:::*

History

12 Jun 2026, 01:03

Type	Values Removed	Values Added
CPE		cpe:2.3:a:jenkins:jenkins:::::lts:::* cpe:2.3:a:jenkins:jenkins:::::-:::*
First Time		Jenkins jenkins Jenkins
References	~~() https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721 -~~	() https://www.jenkins.io/security/advisory/2026-06-10/#SECURITY-3721 - Vendor Advisory

10 Jun 2026, 16:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.3
CWE		CWE-601

10 Jun 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 14:16

Updated : 2026-06-17 10:57

NVD link : CVE-2026-53440

Mitre link : CVE-2026-53440

CVE.ORG link : CVE-2026-53440

JSON object : View

Products Affected

jenkins

jenkins

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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