{"id":"CVE-2026-40088","aliases":["GHSA-2763-cj5r-c79m","PYSEC-2026-461"],"url":"https://o3.security/vulnerability/CVE-2026-40088","summary":"Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in praisonai","details":"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":"2026-04-09T19:45:13.203Z","modified":"2026-08-07T11:50:16.893697492Z","cvss":{"score":9.6,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"praisonai","fixedVersion":"4.5.121"},{"ecosystem":"PyPI","name":"praisonai","fixedVersion":"4.5.121"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/MervinPraison/PraisonAI/releases/tag/v4.5.121"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40088.json"},{"type":"ADVISORY","url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-2763-cj5r-c79m"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40088"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:16.893697492Z"}}