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CVE-2026-39987 marimo Affected by Pre-Auth Remote Code Execution via Terminal WebSocket Authentication Bypass

🗓️ 09 Apr 2026 17:16:55Reported by GoogleType 
osv
 osv🔗 osv.dev👁 1 Views

Marimo pre-0.23.0 allowed remote code execution via terminal WebSocket due to missing authentication.

Related
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
4 May 202610:54
–githubexploit
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
25 Apr 202616:50
–githubexploit
GithubExploit		Exploit for CVE-2026-39987
13 Apr 202618:06
–githubexploit
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
16 May 202601:10
–githubexploit
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
2 Jun 202608:37
–githubexploit
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
26 Apr 202605:54
–githubexploit
GithubExploit		Exploit for CVE-2026-39987
18 Apr 202607:46
–githubexploit
GithubExploit		Exploit for Missing Authentication for Critical Function in Coreweave Marimo
4 May 202610:54
–githubexploit
GithubExploit		Exploit for CVE-2026-39987
15 Apr 202608:09
–githubexploit
GithubExploit		Exploit for CVE-2026-39987
13 Apr 202623:34
–githubexploit
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15 Jul 2026 01:49Current
7.5High risk
Vulners AI Score7.5
CVSS 49.3
EPSS0.95645
remote code executionpre-auth vulnerabilityterminal websocketauthentication bypassmarimo notebookcve 2026 39987
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