CVE-2026-57134

HIGH
Published September 15, 2026

PraisonAI is a multi-agent teams system. From 1.5.1 until 1.7.2, MCPSecurity.evaluatePolicy() in src/praisonai-ts/src/mcp/security.ts invokes the configured credential validator only when AuthMethod is api-key or bearer. Basic and OAuth policies accept any non-empty Authorization header without...

Full CISO analysis pending enrichment.

How severe is it?

CVSS 3.1
8.2 / 10
EPSS
0.3%
chance of exploitation in 30 days
Higher than 23% of all CVEs
Exploitation Status
No known exploitation
Sophistication
N/A

What is the attack surface?

AV AC PR UI S C I A
AV Network
AC Low
PR None
UI None
S Unchanged
C High
I Low
A None

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-57134?

PraisonAI is a multi-agent teams system. From 1.5.1 until 1.7.2, MCPSecurity.evaluatePolicy() in src/praisonai-ts/src/mcp/security.ts invokes the configured credential validator only when AuthMethod is api-key or bearer. Basic and OAuth policies accept any non-empty Authorization header without calling auth.validate(), then return an authenticated result, allowing callers with invalid credentials to access MCP tools and resources protected by those policies. This issue is fixed in version 1.7.2.

Is CVE-2026-57134 actively exploited?

No confirmed active exploitation of CVE-2026-57134 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-57134?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-57134?

CVE-2026-57134 has a CVSS v3.1 base score of 8.2 (HIGH). The EPSS exploitation probability is 0.30%.

What are the technical details?

Original Advisory

PraisonAI is a multi-agent teams system. From 1.5.1 until 1.7.2, MCPSecurity.evaluatePolicy() in src/praisonai-ts/src/mcp/security.ts invokes the configured credential validator only when AuthMethod is api-key or bearer. Basic and OAuth policies accept any non-empty Authorization header without calling auth.validate(), then return an authenticated result, allowing callers with invalid credentials to access MCP tools and resources protected by those policies. This issue is fixed in version 1.7.2.

Weaknesses (CWE)

CWE-287 — Improper Authentication: When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

  • [Architecture and Design] Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

Source: MITRE CWE corpus.

CVSS Vector

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

Timeline

Published
September 15, 2026
Last Modified
September 15, 2026
First Seen
September 15, 2026