CVE-2026-34243
wenxian: Command Injection in GitHub Actions Workflow via `issue_comment.body`
CVSS Score
9.8
EPSS Score
0.2%
EPSS Percentile
48th
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.
| CWE | CWE-77 CWE-78 |
| Vendor | njzjz |
| Product | wenxian |
| Published | Mar 31, 2026 |
| Last Updated | Apr 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
njzjz / wenxian
<= 0.3.1