CVE-2026-34243
CRITICALwenxian: Command Injection in GitHub Actions Workflow via `issue_comment.body`
Title source: cnaDescription
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.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/njzjz/wenxian/security/advisories/GHSA-r4fj-r33x-8v88
Scores
CVSS v3
9.8
EPSS
0.0217
EPSS Percentile
79.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-77
CWE-78
Status
published
Products (3)
GitHub Actions/njzjz/wenxian
0GitHub Actions
njzjz/wenxian
< 0.3.1
njzjz/wenxian
<= 0.3.1
Published
Mar 31, 2026
Tracked Since
Mar 31, 2026