{"id":"CVE-2026-13435","state":"PUBLISHED","title":"Python Interpreter Sandbox Bypass Leading to Sensitive Data Exposure","description":"IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation.","publishedAt":"2026-07-30T16:48:36.764Z","updatedAt":"2026-07-31T03:56:17.304Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"ibm"},"assigner":"ibm","products":["IBM Langflow OSS"],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.10.1","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"]}],"references":["https://www.ibm.com/support/pages/node/7279987"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13435.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13435","state":"PUBLISHED","datePublished":"2026-07-30T16:48:36.764Z","dateUpdated":"2026-07-31T03:56:17.304Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateReserved":"2026-06-26T15:01:44.178Z"},"containers":{"cna":{"title":"Python Interpreter Sandbox Bypass Leading to Sensitive Data Exposure","descriptions":[{"lang":"en","value":"IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox implementation."}],"affected":[{"vendor":"IBM","product":"Langflow OSS","versions":[{"version":"1.0.0","status":"affected","lessThanOrEqual":"1.10.1","versionType":"semver"}],"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.1:*:*:*:*:*:*:*"]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7279987","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.9,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","lang":"en","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2026-07-30T16:48:36.764Z"},"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerability now by upgrading  Langflow OSS to version 1.10.2 https://pypi.org/project/langflow/","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>IBM strongly recommends addressing the vulnerability now by upgrading <a href=\"https://pypi.org/project/langflow/\" rel=\"nofollow\">Langflow OSS to version 1.10.2</a></p>"}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-13435"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T03:56:17.304Z"}}]}}}