CVE-2026-110639 @mborne/extract before 0.2.1 OS Command Injection via archivePath and targetDir

Critical 9.3 Published Updated

Attackers can execute arbitrary OS commands via shell metacharacters in archivePath or targetDir options, compromising the host running the Node.js application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-110639?

CVE-2026-110639 is a critical command injection vulnerability in @mborne/extract, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

@mborne/extract before 0.2.1 contains an OS command injection vulnerability that allows attackers to execute commands by supplying shell metacharacters in archivePath or targetDir options. Attackers controlling these values passed to extract() can inject commands into unquoted shelljs exec() strings in the unzip, 7z, tar-bz2 and gz extractors, running them with Node.js process privileges.

Weakness: CWE-78

Which versions are affected by CVE-2026-110639?

How do I fix CVE-2026-110639?

No fix has been published for CVE-2026-110639 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-2026-110639 being exploited?

There is no known exploitation of CVE-2026-110639 in the wild and no public exploit code.

Sources

Also known as GHSA-chf7-hjrj-qwh8.

Is CVE-2026-110639 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free