{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31156", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-05-13T14:38:56.849Z", "dateReserved": "2026-03-09T00:00:00.000Z", "datePublished": "2026-05-13T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-13T14:38:56.849Z"}, "descriptions": [{"lang": "en", "value": "A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary program compiled from glue_generator.cpp does not perform any validation on the file path parameters passed via the command line. The user-controlled input parameters are directly passed to the underlying file operation functions (fopen/ifstream/ofstream) for file reading and writing. An attacker can exploit this vulnerability by constructing a malicious path to read arbitrary readable files."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://openplc.com"}, {"url": "https://github.com/unicorn-hyh/CVE-2026-31156"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A path injection vulnerability exists in OpenPLC v3 (2c82b0e79c53f8c1f1458eee15fec173400d6e1a) as the binary program compiled from glue_generator.cpp does not perform any validation on the file path parameters passed via the command line. The user-controlled input parameters are directly passed to the underlying file operation functions (fopen/ifstream/ofstream) for file reading and writing. An attacker can exploit this vulnerability by constructing a malicious path to read arbitrary readable files."}], "id": "CVE-2026-31156", "lastModified": "2026-05-13T16:27:36.223", "metrics": {}, "published": "2026-05-13T16:16:38.763", "references": [{"source": "cve@mitre.org", "url": "http://openplc.com"}, {"source": "cve@mitre.org", "url": "https://github.com/unicorn-hyh/CVE-2026-31156"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Awaiting Analysis"}

{}

{"created": "2026-05-13T17:00:14.848136+00:00", "title": "OpenPLC v3 Path Injection Leading to Arbitrary File Read via Command-Line Parameters", "updated": "2026-05-13T17:00:14.848149+00:00", "vendors": [], "weaknesses": ["CWE-22", "CWE-20"]}