{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19964", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-16T07:12:53.592Z", "datePublished": "2026-08-16T23:45:08.345Z", "dateUpdated": "2026-08-16T23:45:08.345Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-16T23:45:08.345Z"}, "title": "Jij-Inc Jij-MCP-Server jm_check python_repr.py PythonREPL.run code injection", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-94", "lang": "en", "description": "Code Injection"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-74", "lang": "en", "description": "Injection"}]}], "affected": [{"vendor": "Jij-Inc", "product": "Jij-MCP-Server", "versions": [{"version": "0.1.0", "status": "affected"}], "cpes": ["cpe:2.3:a:jij-inc:jij-mcp-server:*:*:*:*:*:*:*:*"], "modules": ["jm_check"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Jij-Inc Jij-MCP-Server 0.1.0. This affects the function PythonREPL.run of the file jij_mcp/python_repr.py of the component jm_check. The manipulation of the argument code results in code injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-08-16T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-16T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-16T09:18:00.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "TianyuLi (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/391141", "name": "VDB-391141 | Jij-Inc Jij-MCP-Server jm_check python_repr.py PythonREPL.run code injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/391141/cti", "name": "VDB-391141 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-19964", "name": "CVE-2026-19964 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/872906", "name": "Submit #872906 | Jij-Inc Jij-MCP-Server Latest remote code execute", "tags": ["third-party-advisory"]}, {"url": "http://github.com/Jij-Inc/Jij-MCP-Server/issues/4", "tags": ["exploit", "issue-tracking"]}], "x_generator": ["VulDB PVTS v202608"]}}}

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