P4Verified

CVE-2026-103264: fleet before 4.87.0 (exclusive), 0 to before 4.87.0

CVE-2026-103264. CVSS 3.1 base score 9.1 (CRITICAL, Vendor/CNA). EPSS 0.00321 (percentile 0.23013), scored 2026-10-06.

Affected technology

fleet · before 4.87.0 (exclusive)
fleetdm

fleet · 0 to before 4.87.0
fleetdm

Description’s affected range: versions before 4.87.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could get past authentication checks. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 2026-10-08 17:34:45.043138+00:00

CWE: CWE-287
CCR priority: 36.5 /100 (P4)
CVSS 3.1: 9.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · Vendor/CNA
EPSS: 0.00321 · percentile 0.23115 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-103264.html