Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987-Poc Proof o...

CVE-2026-39987

creationtimestamp| type| source ---|---|--- 2026-04-08 04:00:00+00:00| published-proof-of-concept| https://github.com/marimo-team/marimo/security/advisories/GHSA-2679-6mx9-h9xc 2026-04-09 04:00:00+00:00| exploited|...

PT-2026-31594

Name of the Vulnerable Software and Affected Versions Marimo versions prior to 0.23.0 Description Marimo contains a pre-authentication remote code execution RCE flaw. The terminal WebSocket endpoint /terminal/ws fails to perform authentication validation, whereas other endpoints like /ws correctl...