# CVE-2026-5125: raine consult-llm-mcp server.ts child_process.execSync os command injection

> Local attackers can execute arbitrary OS commands via manipulated arguments in the consult-llm-mcp server library.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Mar 2026
- **Updated:** 31 Mar 2026
- **Also known as:** GHSA-hg3w-jvvc-86cf

## What is CVE-2026-5125?

CVE-2026-5125 is a medium-severity command injection vulnerability in raine consult-llm-mcp, published on 30 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was detected in raine consult-llm-mcp up to 2.5.3. Affected by this vulnerability is the function child_process.execSync of the file src/server.ts. The manipulation of the argument git_diff.base_ref/git_diff.files results in os command injection. The attack is only possible with local access. The exploit is now public and may be used. Upgrading to version 2.5.4 addresses this issue. The patch is identified as 4abf297b34e5e8a9cb364b35f52c5f0ca1d599d3. Upgrading the affected component is recommended.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2026-5125?


## How do I fix CVE-2026-5125?

No fix has been published for CVE-2026-5125 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5125 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5125 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5125 and fix it if it is affected.

What it is: CVE-2026-5125 is a medium-severity command injection vulnerability in raine consult-llm-mcp, published on 30 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5125 exists.

Affected product: raine consult-llm-mcp. 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-2026-5125/ (Markdown: https://insights.sbomify.com/CVE-2026-5125/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5125
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5125
- OSV: https://osv.dev/vulnerability/CVE-2026-5125

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5125/
Summaries are generated and may contain mistakes; the official description above is the record.