CVE-2026-104982: linux mint xreader Path Traversal

Vulnerability summary

CVE-2026-104982 is a medium (CVSS 5.3) Path Traversal vulnerability in linux mint xreader. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 03-10-2026
   PublishedVulnerability first disclosed.
2. 06-10-2026
   Last modifiedVulnerability information updated.

Description

A flaw has been found in Linux Mint Xreader up to 4.6.5. This issue affects the function setup_document_content_list/g_strdup_printf of the file backend/epub/epub-document.c of the component EPUB File Handler. This manipulation causes path traversal. The attack is possible to be carried out remotely. The exploit has been published and may be used. Upgrading to version 4.6.6 is capable of addressing this issue. Patch name: a5aecea074e8564b7a22f1ce054b31ec862974b7. It is advisable to upgrade the affected component. One of the project maintainers explains, that "EPUB support was removed from Xreader and reimplemented in Xepub".

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.