CVE-2026-84646

Summary

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, user objects can appear as nested field values in other deserialized XML objects, allowing attackers with Overall/Read permission to create user objects by submitting crafted XML.

Affected Software

VendorProductVersion RangeStatus
Jenkins ProjectJenkins2.580 < *unaffected
Jenkins ProjectJenkins2.568.3 < 2.568.*unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References