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CVE-2026-34953 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: April 3, 2026

PraisonAI - Authentication Bypass

Published: April 3, 2026Updated: April 3, 2026Remote Exploitable

Overview

PraisonAI < 4.5.97 contains an authentication bypass caused by OAuthManager.validate_token() returning True for any unknown token, letting remote attackers gain full access to tools and agent capabilities, exploit requires sending arbitrary Bearer token.

Severity & Score

Severity: Critical

CVSS Score: 9.1

Impact

Remote attackers can gain full access to all registered tools and agent capabilities without valid authentication.

Mitigation

Upgrade to version 4.5.97 or later.

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-98f9-fqg5-hvq5

Related Resources

Details

CVE ID: CVE-2026-34953
Severity: Critical
CVSS Score: 9.1
Type: broken_authentication
Status: new

CWE

CWE-863

CVSS Metrics

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