CVE-2026-34385 Fleet's Apple MDM profile delivery has second-order SQL injection that can compromise the database

What is CVE-2026-34385?

CVE-2026-34385 is a medium-severity SQL injection vulnerability in fleetdm fleet, published on 27 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Fleet is open source device management software. Prior to 4.81.0, a second-order SQL injection vulnerability in Fleet's Apple MDM profile delivery pipeline could allow an attacker with a valid MDM enrollment certificate to exfiltrate or modify the contents of the Fleet database, including user credentials, API tokens, and device enrollment secrets. Version 4.81.0 patches the issue.

Weakness: CWE-89

Which versions are affected by CVE-2026-34385?

3 open source packages ship an affected version, including github.com/fleetdm/fleet/v4. It affects 1 product.

Products include Fleetdm Fleet.

How do I fix CVE-2026-34385?

Upgrade github.com/fleetdm/fleet/v4 to 4.81.0 or later.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-34385 being exploited?

There is no known exploitation of CVE-2026-34385 in the wild and no public exploit code.

Other vulnerabilities in fleetdm fleet

• CVE-2020-26276 SAML authentication vulnerability in Fleet Critical 10.0
• CVE-2026-103264 Fleet before 4.87.0 Authentication Bypass via Device Identifiers Critical 9.3
• CVE-2026-23518 Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment Critical 9.3
• CVE-2026-26062 Fleet server may terminate unexpectedly when handling certain gRPC requests High 8.7
• CVE-2026-26061 Fleet's unbounded request body read allows remote Denial of Service High 8.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v895-833r-8c45, GO-2026-4914.