CVE-2026-103264

CriticalCVSS 9.1/10Last modified Oct 8, 2026

Description

Fleet versions before 4.87.0 contain an authentication bypass vulnerability in the device API that accepts hostnames and hardware serials as authentication tokens in addition to device UUIDs. Unauthenticated attackers who know or guess these non-secret identifiers can authenticate as iOS/iPadOS hosts to read device data and trigger device-scoped actions including software installation and MDM migration.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 1, 2026
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2026-103264: Critical severity, CVSS 9.1 | Vulnix