Detections
Analytics

SCA: security update for github.com/fleetdm/fleet/v4 (GHSA-ffg9-j72f-j6xm)

high Tenable Cloud Security Plugin ID 441840

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Fleet is open source device management software. Prior to version 4.82.0, a vulnerability in Fleet's
 Windows MDM enrollment flow allows authentication tokens from any Azure AD tenant to be accepted. Because
 Fleet validates JWT signatures using Microsoft's multi-tenant JWKS endpoint but does not enforce the `aud`
 (audience) or `iss` (issuer) claims, any Microsoft-signed Azure AD access token containing the expected
 scopes can be used to authenticate to Fleet's MDM endpoints. If Windows MDM is enabled, an attacker with
 access to any Azure AD tenant can obtain a valid Microsoft-signed token and use it to enroll unauthorized
 devices and interact with Fleet's MDM management APIs. During device management, Fleet may expose
 sensitive enrollment secrets embedded in MDM command payloads, enabling further unauthorized access.
 Version 4.82.0 contains a patch. If an immediate upgrade is not possible, affected Fleet users should
 temporarily disable Windows MDM. (CVE-2026-24899)

Solution

Update the github.com/fleetdm/fleet/v4 library and its related packages to version 4.82.0 or later.

See Also

https://github.com/advisories/GHSA-ffg9-j72f-j6xm

Plugin Details

Severity: High

ID: 441840

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 5/14/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-24899

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/14/2026

Vulnerability Publication Date: 5/14/2026

Reference Information

CVE: CVE-2026-24899

cwe: CWE-290