Vulnerability details
CVE-2026-85618
C4illin ConvertX
ConvertX 0.17.0 Arbitrary File Read via LaTeX Input Directives
CVSS 4.0
7.1High
Official description
ConvertX 0.17.0 contains an arbitrary file read vulnerability in the xelatex converter that allows authenticated users to read files by uploading LaTeX files with input directives. Attackers can upload .tex files containing \\input{path} or \\verbatiminput{path} directives to have the TeX engine read arbitrary files accessible to the server process and include them in downloadable PDF output.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.1High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| 6.5Medium | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| C4illin | ConvertX | v ≤ 0.18.0 | CVEProject cvelistV5 (CNA) |
References and advisories
4- https://github.com/C4illin/ConvertX/issues/573 issue-tracking
- https://github.com/C4illin/ConvertX product
- https://github.com/C4illin/ConvertX/blob/v0.18.0/src/converters/xelatex.ts technical-description
- https://www.vulncheck.com/advisories/convertx-0.17.0-arbitrary-file-read-via-latex-input-directives third-party-advisory
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Details
- Published
- 2026-09-04
- Last updated
- 2026-09-10
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.48%
Probability of exploitation in 30 days
41.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')