CVE-2026-55743 OpenHuman desktop agent shell tool sandbox bypass leads to arbitrary command execution
Attackers can bypass the shell tool allowlist in OpenHuman desktop agent to execute arbitrary OS commands with user privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-55743?
CVE-2026-55743 is a critical command injection vulnerability in tinyhumansai OpenHuman, published on 17 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The shell tool command allowlist in the SecurityPolicy of OpenHuman desktop agent through 0.54.0 (default Supervised security policy) can be bypassed to execute arbitrary OS commands with the privileges of the desktop user.
Which versions are affected by CVE-2026-55743?
How do I fix CVE-2026-55743?
No fix has been published for CVE-2026-55743 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-2026-55743 being exploited?
There is no known exploitation of CVE-2026-55743 in the wild and no public exploit code.
Sources
Also known as GHSA-34j2-gcwp-vrv5.