CVE-2026-57139 PraisonAI - Authentication Bypass

PraisonAI 1.5.0 to 1.7.2 contains an authentication bypass caused by unrestricted HTTP POST requests in MCPServer.startHttp(), letting remote attackers execute server-side handlers with elevated privileges or disclose data, exploit requires network access to the port.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
EPSS
0.75% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Remote Code Execution, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
15 September 2026
Updated
15 October 2026
Weakness
CWE-306

Vendor fix

Update to version 1.7.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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