CVE-2026-33057 Details.
Mesop AI Sandbox <= 1.2.2 - Remote Code Execution
Atlas does not check this one. Needs requests that change data.
To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check.
About CVE-2026-33057. What It Means.
Mesop <= 1.2.2 contains an unrestricted remote code execution caused by unauthenticated ingestion and execution of base64-encoded Python code in the /exec-py endpoint of ai/testing module, letting attackers execute arbitrary commands on the host, exploit requires HTTP access to the server.
Affected Product. What Is Hit.
- Vendor
- mesop-dev
- Product
- Mesop Dev Mesop
References. Where To Read More.
FAQ
Common Questions.
Mesop AI Sandbox <= 1.2.2 - Remote Code Execution. Mesop <= 1.2.2 contains an unrestricted remote code execution caused by unauthenticated ingestion and execution of base64-encoded Python code in the /exec-py endpoint of ai/testing module, letting attackers execute arbitrary commands on the host, exploit requires HTTP access to the server.
No. To test for this one, the check would have to send requests that could change data on the site. Atlas only ever reads public pages, so it does not run this check. The facts about CVE-2026-33057 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-33057 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update Mesop Dev Mesop to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-33057. Atlas does not run a check for it, so nothing here says whether a particular site is affected.