CVE-2026-34243

critical · 9.8

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.

9.8

CVSS

2.2%

EPSS (exploit prob.)

81st

EPSS percentile

2026-03-31

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-77CWE-78

Affected products

Vendor	Product	Affected versions
njzjz	wenxian	<= 0.3.1

Check a specific version with /api/v1/cve/match.

References

https://github.com/njzjz/wenxian/security/advisories/GHSA-r4fj-r33x-8v88

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-34243