Critical severity9.1NVD Advisory· Published Apr 3, 2026· Updated Apr 9, 2026
CVE-2026-34953
CVE-2026-34953
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
praisonaiPyPI | < 4.5.97 | 4.5.97 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-98f9-fqg5-hvq5nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-98f9-fqg5-hvq5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-34953ghsaADVISORY
News mentions
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