PraisonAI MCPServer exposes unauthenticated HTTP tools/call (MervinPraison PraisonAI)

CVE-2026-57139
CRITICAL 9.8

At a glance

Source
NVD
EPSS
EPSS 0.75 % · percentile 55 ()
State
PUBLISHED
Published
Updated
Assigner
GitHub_M
NVD status
Deferred

Description

PraisonAI is a multi-agent teams system. From 1.5.0 until 1.7.2, MCPServer.startHttp() in src/praisonai-ts/src/mcp/server.ts binds without a host restriction and forwards every HTTP POST request to handleRequest() without authentication or authorization. Any network client that can reach the port can call tools/list, tools/call, resources/read, or prompts/get, causing registered handlers to run with server-side credentials and process privileges or disclose registered data. An initial remediation was released in version 1.7.2.

Weaknesses (CWE)

  • CWE-306 — Missing Authentication for Critical Functionality
  • CWE-862 — Missing Authorization
  • CWE-1188 — Initialization of a Resource with an Insecure Default

References

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HGitHub_M
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · security-advisories@github.com (Secondary)

Advisories

European references

Affected products

ProductVersions
MervinPraison · PraisonAIaffected >= 1.5.0, < 1.7.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD