{"action":"Upgrade praisonai to 4.6.58 or later.","affected":[{"fixed":"4.6.58","introduced":"0"}],"component":"praisonai","cve_ids":["CVE-2026-55529"],"ecosystem":"PyPI","epss":0.00175,"exploited":false,"fixed_versions":["4.6.58"],"ghsa_id":"GHSA-wj6g-v78p-6fx3","id":"tcs_01M5KH8EPY1DNB0MR86E45R9BA","modified_at":"2026-09-10T12:15:10.127680684Z","published_at":"2026-09-10T09:44:53.938487Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3896","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-wj6g-v78p-6fx3","https://github.com/MervinPraison/PraisonAI/commit/2f9677abb2ea68eab864ee8b6a828fd0141612e1","https://github.com/MervinPraison/PraisonAI","https://github.com/MervinPraison/PraisonAI/releases/tag/v4.6.58","https://pypi.org/project/praisonai","https://github.com/advisories/GHSA-wj6g-v78p-6fx3","https://nvd.nist.gov/vuln/detail/CVE-2026-55529"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-3896","url":"https://osv.dev/vulnerability/PYSEC-2026-3896"}],"summary":"PraisonAI has an origin validation bypass in MCP HTTP Stream transport that allows browser-mediated unauthenticated tool execution on local MCP server"}