# CVE-2026-26029: sf-mcp-server has a Command Injection in query_records tool due to unsafe use of child_process.exec

> Attackers can execute arbitrary shell commands via the query_records tool in the Salesforce MCP server due to unsafe command construction.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Feb 2026
- **Updated:** 12 Feb 2026
- **Also known as:** GHSA-h4w9-g9c5-vfwq

## What is CVE-2026-26029?

CVE-2026-26029 is a high-severity command injection vulnerability in akutishevsky sf-mcp-server, published on 11 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

sf-mcp-server is an implementation of Salesforce MCP server for Claude for Desktop. A command injection vulnerability exists in sf-mcp-server due to unsafe use of child_process.exec when constructing Salesforce CLI commands with user-controlled input. Successful exploitation allows attackers to execute arbitrary shell commands with the privileges of the MCP server process.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-26029?


## How do I fix CVE-2026-26029?

No fix has been published for CVE-2026-26029 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-26029 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26029 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26029 and fix it if it is affected.

What it is: CVE-2026-26029 is a high-severity command injection vulnerability in akutishevsky sf-mcp-server, published on 11 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26029 exists.

Affected product: akutishevsky sf-mcp-server. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2026-26029/ (Markdown: https://insights.sbomify.com/CVE-2026-26029/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26029
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26029
- OSV: https://osv.dev/vulnerability/CVE-2026-26029

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26029/
Summaries are generated and may contain mistakes; the official description above is the record.