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VulnerabilityPublished Updated

CVE-2026-34386: fleetdm fleet · SQL Injection

Affects fleetdm fleetSource CVE Database V5

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Not known to be exploited · CVSS 6.3 Medium : upgrade to 4.81.0 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
6.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.81.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade fleet and fleetdm/fleet to 4.81.0.

Affected software

ProductAffectedFixed in
fleetdmfleetAffected
  • <4.81.0
Fixed in
  • 4.81.0
GitHubfleetdm/fleetpkg:github/fleetdm/fleetOther threatsAffected
  • <4.81.0
Fixed in
  • 4.81.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Fleet to version 4.81.0 or later, where this SQL injection vulnerability has been patched. No other mitigations are indicated or necessary once the official fix is applied.

Description

Fleet is open source device management software. Prior to 4.81.0, a SQL injection vulnerability in Fleet's MDM bootstrap package configuration allows an authenticated user with Team Admin or Global Admin privileges to modify arbitrary team configurations, exfiltrate sensitive data from the Fleet database, and inject arbitrary content into team configs via direct API calls. Version 4.81.0 patches the issue.

References

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