CVE-2026-88889 Renovate before 44.14.7 Command Injection via distributionType
Attackers can execute arbitrary commands via malicious Maven Wrapper parameters when Renovate processes updates in Docker mode.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88889?
CVE-2026-88889 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 Maven Wrapper manager that allows attackers to execute arbitrary commands by specifying a malicious distributionType parameter in maven-wrapper.properties. Attackers can inject shell commands through unescaped distributionType values to achieve remote code execution when Renovate processes Maven Wrapper updates in binarySource=docker mode.
Weakness: CWE-78
Which versions are affected by CVE-2026-88889?
How do I fix CVE-2026-88889?
No fix has been published for CVE-2026-88889 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-88889 being exploited?
There is no known exploitation of CVE-2026-88889 in the wild and no public exploit code.
Sources
Also known as GHSA-f2v7-35mm-3hx7, GHSA-q946-5qg8-8wmj.