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

High 7.3 Published Updated

Attackers can execute arbitrary commands via malicious package names in Renovate when using Docker binary source 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-2026-88888?

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

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.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-88888 being exploited?

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

Sources

Also known as GHSA-v85g-rq5w-c46q, GHSA-x7x2-5fmx-8wj5.

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