CVE-2026-103265 Fleet before 4.89.0 Information Disclosure via MDM Command Results
Team-scoped users can read MDM command results for hosts on other teams, exposing sensitive host data and device responses.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-103265?
CVE-2026-103265 is a medium-severity missing authorization vulnerability in fleetdm fleet, published on 1 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Fleet versions before 4.89.0 fail to properly filter MDM command results by team authorization in the commands/results endpoint. Team-scoped users can read MDM command results for hosts on other teams when a shared command UUID targets hosts across multiple teams, exposing host UUIDs, command payloads, and device responses.
Weakness: CWE-863
Which versions are affected by CVE-2026-103265?
It affects 1 product.
Products include Fleetdm Fleet.
How do I fix CVE-2026-103265?
No fix has been published for CVE-2026-103265 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-103265 being exploited?
There is no known exploitation of CVE-2026-103265 in the wild and no public exploit code.
Other vulnerabilities in fleetdm fleet
- CVE-2020-26276 SAML authentication vulnerability in Fleet
- CVE-2026-103264 Fleet before 4.87.0 Authentication Bypass via Device Identifiers
- CVE-2026-23518 Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment
- CVE-2026-26062 Fleet server may terminate unexpectedly when handling certain gRPC requests
- CVE-2026-26061 Fleet's unbounded request body read allows remote Denial of Service
Sources
Also known as GHSA-97fg-h5wh-2399, GHSA-hfhg-8x2p-pvmg.