8.8

CVE-2026-29180: Fleet's team maintainer can transfer hosts from any team via missing source team authorization

Analyzed
AliasesGHSA-m2h6-4xpq-qw3mGO-2026-4892
Published 27-03-2026Last modified 31-03-2026

Vulnerability summary

CVE-2026-29180 is a high (CVSS 8.8) Missing Authorization vulnerability in fleetdm fleet. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 25.9% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.33%
0%100%
Low · -0.09 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 2

Timeline

  1. 27-03-2026
    PublishedVulnerability first disclosed.
  2. 31-03-2026
    Last modifiedVulnerability information updated.

Description

Fleet is open source device management software. Prior to 4.81.1, a broken access control vulnerability in Fleet's host transfer API allows a team maintainer to transfer hosts from any team into their own team, bypassing team isolation boundaries. Once transferred, the attacker gains full control over the stolen hosts, including the ability to execute scripts with root privileges. Version 4.81.1 patches the issue.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

Decrease -0.09 pp

From 0.42% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Fleetdm1 product
Github.com/fleetdm/fleet1 product
  • v4< 4.81.1

2 vendors · 2 products

References

4 links