{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-34243",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-03-26T16:22:29.034Z",
        "datePublished": "2026-03-31T15:49:27.333Z",
        "dateUpdated": "2026-04-02T15:21:36.168Z"
    },
    "containers": {
        "cna": {
            "title": "wenxian: Command Injection in GitHub Actions Workflow via `issue_comment.body`",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-77",
                            "lang": "en",
                            "description": "CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-78",
                            "lang": "en",
                            "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/njzjz/wenxian/security/advisories/GHSA-r4fj-r33x-8v88",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/njzjz/wenxian/security/advisories/GHSA-r4fj-r33x-8v88"
                }
            ],
            "affected": [
                {
                    "vendor": "njzjz",
                    "product": "wenxian",
                    "versions": [
                        {
                            "version": "<= 0.3.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-03-31T15:49:27.333Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "wenxian is a tool to generate BIBTEX files from given identifiers (DOI, PMID, arXiv ID, or paper title). In versions 0.3.1 and prior, a GitHub Actions workflow uses untrusted user input from issue_comment.body directly inside a shell command, allowing potential command injection and arbitrary code execution on the runner. At time of publication, there are no publicly available patches."
                }
            ],
            "source": {
                "advisory": "GHSA-r4fj-r33x-8v88",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-02T15:21:25.262697Z",
                                "id": "CVE-2026-34243",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-04-02T15:21:36.168Z"
                }
            }
        ]
    }
}