CVE-2026-40030 parseusbs < 1.9 Command Injection via Volume Path Argument
Attackers can execute arbitrary OS commands by providing crafted volume paths to the parseusbs library's volume listing feature.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-40030?
CVE-2026-40030 is a high-severity command injection vulnerability in khyrenz parseusbs, published on 8 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
parseusbs before 1.9 contains an OS command injection vulnerability where the volume listing path argument (-v flag) is passed unsanitized into an os.popen() shell command with ls, allowing arbitrary command injection via crafted volume path arguments containing shell metacharacters. An attacker can provide a crafted volume path via the -v flag that injects arbitrary commands during volume content enumeration.
Weakness: CWE-78
Which versions are affected by CVE-2026-40030?
It affects 1 product.
Products include Khyrenz Parseusbs.
How do I fix CVE-2026-40030?
No fix has been published for CVE-2026-40030 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-2026-40030 being exploited?
There is no known exploitation of CVE-2026-40030 in the wild and no public exploit code.
Other vulnerabilities in khyrenz parseusbs
Sources
Also known as GHSA-pqxv-pjgq-x85w.