CVE-2026-26093 Improper Neutralization of Special Elements used in a Command ('Command Injection') in Owl opds

High 8.7 Published 20 Feb 2026 Updated 20 Feb 2026

Attackers can execute arbitrary commands on the Owl OPDS server via crafted network requests, requiring immediate attention from administrators.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-26093?

CVE-2026-26093 is a high-severity command injection vulnerability in Owl opds, published on 20 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Neutralization of Special Elements used in a Command ('Command Injection') in Owl opds 2.2.0.4 allows Command Injection via a crafted network request.

Weakness: CWE-77

Which versions are affected by CVE-2026-26093?

It affects 1 product.

Products include Owlcyberdefense Opds-Talon.

How do I fix CVE-2026-26093?

No fix has been published for CVE-2026-26093 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-2026-26093 being exploited?

There is no known exploitation of CVE-2026-26093 in the wild and no public exploit code.

Sources

Also known as GHSA-42vx-f9wx-wg3r.