# CVE-2026-34386: Fleet vulnerable to SQL injection in MDM bootstrap package by authenticated team or global admin

> Authenticated admins can exploit SQL injection in Fleet MDM to exfiltrate data and modify team configurations.

- **Severity:** Medium 6.3 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 27 Mar 2026
- **Updated:** 30 Mar 2026
- **Also known as:** GHSA-9p23-p2m4-2r4m, GO-2026-4913

## What is CVE-2026-34386?

CVE-2026-34386 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 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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-34386?

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


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `github.com/fleetdm/fleet/v4` | Go | All versions | 4.81.0 |
| `github.com/fleetdm/fleet/v4` | Go | All versions | 4.81.0 |
| `github.com/fleetdm/fleet/v4` | Go | All versions | 4.81.0 |

Products: Fleetdm Fleet.

## How do I fix CVE-2026-34386?

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

## Is CVE-2026-34386 being exploited?

There is no known exploitation of CVE-2026-34386 in the wild and no public exploit code.

## Other vulnerabilities in fleetdm fleet

- [CVE-2020-26276](https://insights.sbomify.com/CVE-2020-26276/): SAML authentication vulnerability in Fleet (critical 10.0)
- [CVE-2026-103264](https://insights.sbomify.com/CVE-2026-103264/): Fleet before 4.87.0 Authentication Bypass via Device Identifiers (critical 9.3)
- [CVE-2026-23518](https://insights.sbomify.com/CVE-2026-23518/): Fleet has a JWT signature bypass vulnerability in Azure AD MDM enrollment (critical 9.3)
- [CVE-2026-26062](https://insights.sbomify.com/CVE-2026-26062/): Fleet server may terminate unexpectedly when handling certain gRPC requests (high 8.7)
- [CVE-2026-26061](https://insights.sbomify.com/CVE-2026-26061/): Fleet's unbounded request body read allows remote Denial of Service (high 8.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34386 and fix it if it is affected.

What it is: CVE-2026-34386 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.
Exploitation: There is no known exploitation of CVE-2026-34386 in the wild and no public exploit code.

Affected packages and fixed versions:
- github.com/fleetdm/fleet/v4 (Go): affected all versions; fixed in 4.81.0
- github.com/fleetdm/fleet/v4 (Go): affected all versions; fixed in 4.81.0
- github.com/fleetdm/fleet/v4 (Go): affected all versions; fixed in 4.81.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-34386/ (Markdown: https://insights.sbomify.com/CVE-2026-34386/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34386
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34386
- OSV: https://osv.dev/vulnerability/CVE-2026-34386

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-34386/
Summaries are generated and may contain mistakes; the official description above is the record.