CVE-2026-5752 CVE-2026-5752
Attackers can escape the sandbox and execute arbitrary code with root privileges via JavaScript prototype chain traversal in Cohere Terrarium.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5752?
CVE-2026-5752 is a critical code injection vulnerability in cohere-terrarium, published on 14 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Sandbox Escape Vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal.
Which versions are affected by CVE-2026-5752?
How do I fix CVE-2026-5752?
No fix has been published for CVE-2026-5752 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-5752 being exploited?
There is no known exploitation of CVE-2026-5752 in the wild and no public exploit code.
Sources
Also known as GHSA-cmpr-pw8g-6q6c.