{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101861","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-09-28T15:44:45.388Z","datePublished":"2026-09-28T15:49:14.349Z","dateUpdated":"2026-10-01T15:19:46.570Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-01T15:19:46.570Z"},"title":"Langflow Code Execution via eval() in Component Input Schema","descriptions":[{"lang":"en","value":"Langflow 1.0.16 before 1.12.0 and 0.0.94 before 1.12.0 contain an unsafe eval() vulnerability in schema.py that allows authenticated attackers to achieve code execution by placing a Python object with a malicious __repr__ method into component input options lists. The eval() sink is triggered when a component is converted into a LangChain tool via ComponentToolkit.get_tools(), including during custom component saves through the API, by interpolating options into a Literal type string that is passed directly to eval() without safe evaluation controls."}],"tags":["x_open-source"],"datePublic":"2026-09-28T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-95","description":"Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')","type":"CWE"},{"lang":"en","cweId":"CWE-94","description":"Improper Control of Generation of Code ('Code Injection')","type":"CWE"}]}],"affected":[{"defaultStatus":"unaffected","vendor":"langflow-ai","product":"langflow","packageURL":"pkg:github/langflow-ai/langflow","repo":"https://github.com/langflow-ai/langflow","versions":[{"status":"affected","version":"1.0.16","versionType":"semver","lessThan":"1.12.0"},{"status":"affected","version":"0.0.94","versionType":"semver","lessThan":"1.12.0"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0.16","versionEndExcluding":"1.12.0"},{"vulnerable":true,"criteria":"cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*","versionStartIncluding":"0.0.94","versionEndExcluding":"1.12.0"}]}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"LOW","baseScore":2.1,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW","version":"3.1","baseSeverity":"MEDIUM","baseScore":4.1,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L"}}],"references":[{"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-33p4-w7j3-33mw","name":"GitHub Security Advisory (GHSA-33p4-w7j3-33mw)","tags":["vendor-advisory"]},{"url":"https://github.com/langflow-ai/langflow/releases#release-v1.12.0","name":"Release Notes","tags":["release-notes","patch"]}],"credits":[{"lang":"en","value":"Weblover","type":"finder"},{"lang":"en","value":"VulnCheck","type":"coordinator"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-101861","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-30T19:02:25.893380Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T20:11:12.277Z"}}]}}