CVE-2026-85618

Summary

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.

Affected Software

Weaknesses

• CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

• https://github.com/C4illin/ConvertX/issues/573
• https://github.com/C4illin/ConvertX
• https://github.com/C4illin/ConvertX/blob/v0.18.0/src/converters/xelatex.ts
• https://www.vulncheck.com/advisories/convertx-0.17.0-arbitrary-file-read-via-latex-input-directives

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