{"cve":{"cve_id":"CVE-2026-40088","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00419,"epss_percentile":0.34727,"epss_as_of":"2026-08-26","description":"PraisonAI is a multi-agent teams system. Prior to 4.5.121, the execute_command function and workflow shell execution are exposed to user-controlled input via agent workflows, YAML definitions, and LLM-generated tool calls, allowing attackers to inject arbitrary shell commands through shell metacharacters. This vulnerability is fixed in 4.5.121.","published_at":"2026-04-09T19:45:13.203000Z","last_modified_at":null,"cvss_v3_score":9.7,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-78"],"nvd_references":["https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2763-cj5r-c79m","https://github.com/MervinPraison/PraisonAI/releases/tag/v4.5.121"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:30:10.460975Z"},"effective_severity":"CRITICAL","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"C","value_label":"Changed"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"mervinpraison","vendor_name":"MervinPraison","product_slug":"praisonai","product_name":"PraisonAI","version_start":"< 4.5.121","version_start_inclusive":true,"version_end":"< 4.5.121","version_end_inclusive":true,"cpe23_uri":"cve5:mervinpraison:praisonai:< 4.5.121:< 4.5.121"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2763-cj5r-c79m","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/MervinPraison/PraisonAI/releases/tag/v4.5.121","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-04-09T19:45:13.203000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:53:49.239492Z","label":"CVSS score revised","source":"cvelistv5"}]}