{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.3.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "8172ac1b295ad07c80aced2177e5c2585801d329"
            }
          ],
          "repo": "https://github.com/njzjz/wenxian",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-r4fj-r33x-8v88"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-77",
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34243.json"
  },
  "details": "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.",
  "id": "CVE-2026-34243",
  "modified": "2026-04-01T23:08:36.493100760Z",
  "published": "2026-03-31T15:49:27.333Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34243.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/njzjz/wenxian/security/advisories/GHSA-r4fj-r33x-8v88"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34243"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "wenxian: Command Injection in GitHub Actions Workflow via `issue_comment.body`"
}