{"action":"Upgrade praisonai to 4.5.90 or later.","affected":[{"fixed":"4.5.90","introduced":"0"}],"component":"praisonai","cve_ids":["CVE-2026-34939"],"ecosystem":"PyPI","epss":0.00402,"exploited":false,"fixed_versions":["4.5.90"],"ghsa_id":"GHSA-8w9j-hc3g-3g7f","id":"tcs_01M5KF98C2B3W5RSSEDMFRE8ZN","modified_at":"2026-07-13T16:43:36.821649801Z","published_at":"2026-04-01T23:21:08Z","references":["https://osv.dev/vulnerability/GHSA-8w9j-hc3g-3g7f","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-8w9j-hc3g-3g7f","https://nvd.nist.gov/vuln/detail/CVE-2026-34939","https://github.com/MervinPraison/PraisonAI"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-8w9j-hc3g-3g7f","url":"https://osv.dev/vulnerability/GHSA-8w9j-hc3g-3g7f"}],"summary":"PraisonAI Has ReDoS via Unvalidated User-Controlled Regex in MCPToolIndex.search_tools()"}