CVE-2026-4502

{"id": "CVE-2026-4502", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4502", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-01T14:57:03.183036Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@us.ibm.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@us.ibm.com", "affectedData": [{"cpes": ["cpe:2.3:a:ibm:langflow_desktop:1.2.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*"], "vendor": "IBM", "product": "Langflow Desktop", "versions": [{"status": "affected", "version": "1.2.0", "versionType": "semver", "lessThanOrEqual": "1.8.4"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-30T21:16:33.533", "references": [{"url": "https://www.ibm.com/support/pages/node/7271097", "tags": ["Vendor Advisory"], "source": "psirt@us.ibm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@us.ibm.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "IBM Langflow Desktop 1.2.0 through 1.8.4 Langflow could allow an authenticated attacker to traverse directories on the system. An attacker could send\u00a0a specially crafted URL request containing \"dot dot\" sequences (/../) to write arbitrary files on the system."}], "lastModified": "2026-06-17T10:56:42.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:langflow:langflow_desktop:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B9C49D8-B198-43A9-ACF6-ADEB4BA58A96", "versionEndIncluding": "1.8.4", "versionStartIncluding": "1.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@us.ibm.com"}