CVE-2026-53436

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Jenkins ProjectJenkins2.568 < *unaffected
Jenkins ProjectJenkins2.555.3 < 2.555.*unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References