VULNERABILITY INTELLIGENCE

CVE-2026-72643

CVSS score7.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-08-13
Last modified2026-09-03
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Description

Kibana Agent Builder determines whether a caller owns a private agent by comparing a stable user identifier when one is recorded, and falling back to a comparison of the username when it is not. A username is not unique across Elasticsearch authentication realms, so two distinct principals that share a username in different realms are treated as the same owner. This discloses the configuration and instructions of an agent the caller does not own, and allows that agent to be altered or removed.

Weakness classification

  • security@elastic.co: CWE-863

Primary references