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

CVE-2026-34385 · Severity: high · CVSS 8.1 · Published 2026-03-27

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.

Technologies: Fleetdm Fleet, github.com/fleetdm/fleet/v4 (Go). Vendors: Fleetdm, Go.

Quick answers

Is CVE-2026-34385 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-34385 being exploited in the wild.
How severe is CVE-2026-34385?
High severity, with a CVSS score of 8.1, published 27 March 2026.
Which products and versions are affected?
github.com/fleetdm/fleet/v4 (Go) SEMVER:introduced=0,fixed=4.81.0.
Is there a fix for CVE-2026-34385?
Yes. github.com/fleetdm/fleet/v4 (Go): upgrade to 4.81.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-34385?
Check whether you run Fleetdm Fleet or github.com/fleetdm/fleet/v4 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/fleetdm/fleet/v4 (Go): upgrade to 4.81.0 or later
    go get github.com/fleetdm/fleet/v4@v4.81.0

Affected products

  • Fleetdm Fleet
  • github.com/fleetdm/fleet/v4 (Go) SEMVER:introduced=0,fixed=4.81.0

Identifiers

  • CVE-2026-34385
  • GHSA-v895-833r-8c45
  • GO-2026-4914

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