Ad

CVE-2026-34243

CRITICAL CVSS 3.1: 9.8 EPSS 0.23%
Updated Apr 03, 2026
Njzjz
Parameter Value
CVSS 9.8 (CRITICAL)
Affected Versions before 0.3.1
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Vendor Njzjz
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Njzjz Wenxian
cpe:2.3:a:njzjz:wenxian:*:*:*:*:*:python:*:*
<= 0.3.1