The CVSS‑9.3 vulnerability allows unauthenticated remote code execution on exposed Marimo servers and was exploited in the wild shortly after disclosure, Sysdig says.
XDA Developers on MSN
After two months of Open WebUI updates, I'd pick it over ChatGPT's interface for local LLMs
Open WebUI has been getting some great updates, and it's a lot better than ChatGPT's web interface at this point.
Marimo CVE-2026-39987 exploited within 10 hours of disclosure, enabling unauthenticated RCE and credential theft, emphasizing urgent patching needs.
A critical pre-authentication remote code execution (RCE) vulnerability in Marimo is now under active exploitation, leveraged ...
A threat actor started exploiting CVE-2026-39987, an unauthenticated RCE vulnerability in Marimo, nine hours after public ...
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