{"cve":"CVE-2026-57123","nvd":{"published":"2026-09-14T15:17:05.753","modified":"2026-09-15T14:45:28.563","status":"Deferred","description":"PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, ToolsMCPServer.run_sse and launch_tools_mcp_server bind to 0.0.0.0 and create /sse and /messages/ routes without invoking the available SecurityConfig authentication, origin-validation, or DNS-rebinding controls. Any reachable client can list and invoke registered tools, and a browser can target a local instance through DNS rebinding, with impact determined by the registered file, shell, and code-execution tools. This vulnerability is fixed in praisonaiagents 1.6.59.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-306","CWE-350","CWE-1327"],"references":["https://github.com/MervinPraison/PraisonAI/commit/2adfe7e8323f6deec66925cf15a885b6238895e9","https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.59","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x227-pf99-vffg"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-57123","score":0.00904,"percentile":0.59813,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-x227-pf99-vffg","url":"https://osv.dev/vulnerability/GHSA-x227-pf99-vffg","summary":"PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in","modified":"2026-07-23T15:11:36.710076351Z","packages":[{"ecosystem":"PyPI","name":"praisonaiagents","purl":"pkg:pypi/praisonaiagents","ranges":["<1.6.59"],"fixed":["1.6.59"]}]},{"id":"PYSEC-2026-3536","url":"https://osv.dev/vulnerability/PYSEC-2026-3536","summary":"PraisonAI: MCP SSE transport binds 0.0.0.0 with no authentication and no Origin validation; bundled SecurityConfig is never wired in","modified":"2026-07-23T15:00:23.782569014Z","packages":[{"ecosystem":"PyPI","name":"praisonaiagents","purl":"pkg:pypi/praisonaiagents","ranges":["<1.6.59"],"fixed":["1.6.59"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}