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.

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Fixes

Solution

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Workaround

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History

Wed, 10 Jun 2026 15:45:00 +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 Phishing via Malicious Login Redirects in Jenkins
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 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.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-06-10T15:43:26.825Z

Reserved: 2026-06-09T14:26:44.788Z

Link: CVE-2026-53437

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-10T14:16:36.677

Modified: 2026-06-10T14:16:36.677

Link: CVE-2026-53437

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-10T15:30:15Z

Weaknesses