{"cve":"CVE-2026-34935","nvd":{"published":"2026-04-03T23:17:05.693","modified":"2026-07-24T22:10:00.140","status":"Analyzed","description":"PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split() and forwarded through the call chain to anyio.open_process() with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command execution as the process user. This issue has been patched in version 4.5.69.","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-78"],"references":["https://github.com/MervinPraison/PraisonAI/commit/47bff65413beaa3c21bf633c1fae4e684348368c","https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-9gm9-c8mq-vq7m"],"products":["praison:praisonai"],"source":"nvd","synced_at":"2026-10-19T22:28:59.047572785+00:00"},"epss":{"cve":"CVE-2026-34935","score":0.00839,"percentile":0.57825,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9gm9-c8mq-vq7m","url":"https://osv.dev/vulnerability/GHSA-9gm9-c8mq-vq7m","summary":"PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command()","modified":"2026-06-29T12:26:49.148279892Z","packages":[{"ecosystem":"PyPI","name":"praisonai","purl":"pkg:pypi/praisonai","ranges":[">=4.5.15 <4.5.69"],"fixed":["4.5.69"]}]},{"id":"PYSEC-2026-471","url":"https://osv.dev/vulnerability/PYSEC-2026-471","summary":"PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command()","modified":"2026-07-13T16:15:32.236488212Z","packages":[{"ecosystem":"PyPI","name":"praisonai","purl":"pkg:pypi/praisonai","ranges":[">=4.5.15 <4.5.69"],"fixed":["4.5.69"]}]}],"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."]}