Path Traversal in Linux Mint Xreader
CVE-2026-104982
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".
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Linux Mint Xreader — versions 4.6.0, 4.6.1, 4.6.2
Weakness classification (CWE)
References
- vuldb.com/vuln/413198 (technical-description, vdb-entry)
- vuldb.com/vuln/413198/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-104982 (third-party-advisory)
- vuldb.com/submit/964347 (third-party-advisory)
- github.com/linuxmint/xreader/issues/713 (issue-tracking)
- gist.github.com/rodtvs/63a34e7b20a9f97a1a7167a8a1db49c2 (exploit)
- github.com/linuxmint/xreader/commit/a5aecea074e8564b7a22f1ce054b31ec862974b7 (patch)
- github.com/linuxmint/xreader/releases/tag/4.6.6 (patch)
Frequently asked questions
- What is CVE-2026-104982?
- CVE-2026-104982 is a medium-severity vulnerability in Linux Mint Xreader, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-10-03.
- How severe is CVE-2026-104982?
- Medium severity. CVSS v3 base score is 4.3 out of 10.