CVE-2026-34953

CriticalCVSS 9.1/10Last modified Jul 24, 2026

Description

PraisonAI is a multi-agent teams system. Prior to version 4.5.97, OAuthManager.validate_token() returns True for any token not found in its internal store, which is empty by default. Any HTTP request to the MCP server with an arbitrary Bearer token is treated as authenticated, granting full access to all registered tools and agent capabilities. This issue has been patched in version 4.5.97.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 3, 2026
Last modified
Jul 24, 2026
NVD status
Analyzed

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CVE-2026-34953: Critical severity, CVSS 9.1 | Vulnix