CVEvulnerability

CVE-2026-78587

3.1 LOW Published 2026-09-02 Modified 2026-09-03 Official page ↗
Status
Analyzed
Published
2026-09-02
Last modified
2026-09-03
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.1 LOW — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Weaknesses
CWE-863

Description

Incorrect Authorization (CWE-863) in Fleet Server can lead to a denial of service of agent upload operations via Privilege Abuse (CAPEC-122). Fleet Server does not correctly verify session ownership during multi-part data upload operations, allowing any authenticated agent to interfere with the active upload sessions belonging to other enrolled agents.

Affected configurations

• elastic fleet server (>= 8.0.0 < 8.19.16) • elastic fleet server (>= 9.0.0 < 9.3.5) • elastic fleet server (>= 9.4.0 < 9.4.2)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References