CVE-2026-41449 UAC < 3.3.0 Command Injection via run_command.sh
Attackers can execute arbitrary commands on the analyst's host by injecting shell metacharacters into evidence inputs processed by UAC.
- 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-2026-41449?
CVE-2026-41449 is a high-severity command injection vulnerability in tclahr uac, published on 21 Aug 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
UAC (Unix-like Artifacts Collector) versions prior to 3.3.0 contain a command injection vulnerability in the _run_command function that allows attackers to execute arbitrary commands by injecting shell metacharacters into untrusted data such as usernames, process names, or filenames. Attackers can exploit this vulnerability through crafted evidence inputs, mounted images with hostile filenames, or tampered artifact definitions to achieve remote code execution on the analyst's host when processing evidence.
Weakness: CWE-78
Which versions are affected by CVE-2026-41449?
How do I fix CVE-2026-41449?
No fix has been published for CVE-2026-41449 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-2026-41449 being exploited?
There is no known exploitation of CVE-2026-41449 in the wild and no public exploit code.
Sources
Also known as GHSA-wcqh-23xq-vm77.