What is CVE-2026-61427?

CVE-2026-61427 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-07-15.

How severe is CVE-2026-61427?

High severity. CVSS v3 base score is 7.3 out of 10.

Improper input validation in Mervinpraison Praisonai

CVE-2026-61427

PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an ope…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Mervinpraison Praisonai — versions 0, 4.6.78

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-61427?: CVE-2026-61427 is a high-severity vulnerability in Mervinpraison Praisonai, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-07-15.
How severe is CVE-2026-61427?: High severity. CVSS v3 base score is 7.3 out of 10.