# CVE-2026-88888: Renovate before 44.14.7 Command Injection via Mix organization

> Attackers can execute arbitrary commands via malicious package names in Renovate when using Docker binary source mode.

- **Severity:** High 7.3 (`CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **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:** 10 Sep 2026
- **Updated:** 29 Sep 2026
- **Also known as:** GHSA-v85g-rq5w-c46q, GHSA-x7x2-5fmx-8wj5

## What is CVE-2026-88888?

CVE-2026-88888 is a high-severity command injection vulnerability in mend-renovate-ce, published on 10 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Renovate before 44.14.7 contains a command injection vulnerability in the Mix manager when processing private dependencies with unescaped organization parameters. Attackers can inject shell metacharacters through malicious package names to execute arbitrary commands as the Renovate user in binarySource=docker mode.

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

## Which versions are affected by CVE-2026-88888?


## How do I fix CVE-2026-88888?

No fix has been published for CVE-2026-88888 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-88888 being exploited?

There is no known exploitation of CVE-2026-88888 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-88888 and fix it if it is affected.

What it is: CVE-2026-88888 is a high-severity command injection vulnerability in mend-renovate-ce, published on 10 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-88888 in the wild and no public exploit code.

Affected product: mend-renovate-ce. 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-2026-88888/ (Markdown: https://insights.sbomify.com/CVE-2026-88888/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-88888
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-88888
- OSV: https://osv.dev/vulnerability/CVE-2026-88888

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-88888/
Summaries are generated and may contain mistakes; the official description above is the record.