What is CVE-2026-56076?

CVE-2026-56076 is a high-severity vulnerability in Praisonai, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 8.1/10. Published 2026-06-18.

How severe is CVE-2026-56076?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Praisonai

CVE-2026-56076

PraisonAI before 1.5.128 contains a cross-origin agent execution vulnerability in the AGUI endpoint that allows remote attackers to trigger arbitrary agent execution. The POST /agui endpoint lacks authentication and hardcodes Access-Contro…

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Praisonai — versions 0, 1.5.128

Weakness classification (CWE)

CWE-942 — Permissive Cross-domain Policy with Untrusted Domains

References

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

Frequently asked questions

What is CVE-2026-56076?: CVE-2026-56076 is a high-severity vulnerability in Praisonai, classified under Permissive Cross-domain Policy with Untrusted Domains. CVSS score: 8.1/10. Published 2026-06-18.
How severe is CVE-2026-56076?: High severity. CVSS v3 base score is 8.1 out of 10.