{"id":"CVE-2026-34938","state":"PUBLISHED","title":"PraisonAI: Python Sandbox Escape via str Subclass startswith() Override in execute_code","description":"PraisonAI is a multi-agent teams system. Prior to version 1.5.90, execute_code() in praisonai-agents runs attacker-controlled Python inside a three-layer sandbox that can be fully bypassed by passing a str subclass with an overridden startswith() method to the _safe_getattr wrapper, achieving arbitrary OS command execution on the host. This issue has been patched in version 1.5.90.","publishedAt":"2026-04-03T22:51:28.199Z","updatedAt":"2026-04-06T13:23:42.009Z","severity":{"score":10,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["MervinPraison PraisonAI"],"affected":[{"vendor":"MervinPraison","product":"PraisonAI","versions":[{"version":"< 1.5.90","status":"affected"}]}],"references":["https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-6vh2-h83c-9294"],"weaknesses":["CWE-693"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34938.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34938","state":"PUBLISHED","datePublished":"2026-04-03T22:51:28.199Z","dateUpdated":"2026-04-06T13:23:42.009Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-31T17:27:08.660Z"},"containers":{"cna":{"title":"PraisonAI: Python Sandbox Escape via str Subclass startswith() Override in execute_code","descriptions":[{"lang":"en","value":"PraisonAI is a multi-agent teams system. Prior to version 1.5.90, execute_code() in praisonai-agents runs attacker-controlled Python inside a three-layer sandbox that can be fully bypassed by passing a str subclass with an overridden startswith() method to the _safe_getattr wrapper, achieving arbitrary OS command execution on the host. This issue has been patched in version 1.5.90."}],"affected":[{"vendor":"MervinPraison","product":"PraisonAI","versions":[{"version":"< 1.5.90","status":"affected"}]}],"references":[{"url":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-6vh2-h83c-9294","name":"https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-6vh2-h83c-9294","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-693","lang":"en","description":"CWE-693: Protection Mechanism Failure","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-03T22:51:28.199Z"},"source":{"advisory":"GHSA-6vh2-h83c-9294","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-06T13:23:32.754263Z","id":"CVE-2026-34938","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-06T13:23:42.009Z"}}]}}}