CVE-2026-56076
Published: Thu, 18 Jun 2026 23:16
Summary
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 aut
Details
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-Control-Allow-Origin: * headers, combined with Starlette's Content-Type-agnostic JSON parsing, enabling attackers to bypass CORS preflight checks via simple requests and exfiltrate sensitive agent responses including tool execution results and environment data.
Are YOU affected by CVE-2026-56076?
5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether CVE-2026-56076 (and any other live CVE) applies. Anonymous, no signup.
curl https://mindsparkstack.com/scan.sh | bash
References
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x462-jjpc-q4q4
- https://www.vulncheck.com/advisories/praisonai-cross-origin-agent-execution-via-hardcoded-wildcard-cors-and-missing-authentication-on-agui-endpoint
- https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x462-jjpc-q4q4
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