VULNERABILITY INTELLIGENCE

CVE-2026-53436

CVSS score4.3 MEDIUM
EPSS probability0.28%
CISA KEVNot currently listed
Published2026-06-10
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-601

Primary references