Koodo Reader through 2.4.6 contains a path traversal vulnerability in the self-hosted HTTP server's OPDS handlers that allows authenticated attackers to read files outside the upload directory. Attackers can upload a crafted books.db with a cover value containing ../ sequences, then request /opds/cover/{key} to read files accessible to the server process.

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History

Tue, 03 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description Koodo Reader through 2.4.6 contains a path traversal vulnerability in the self-hosted HTTP server's OPDS handlers that allows authenticated attackers to read files outside the upload directory. Attackers can upload a crafted books.db with a cover value containing ../ sequences, then request /opds/cover/{key} to read files accessible to the server process.
Title Koodo Reader through 2.4.6 Path Traversal via OPDS Cover and Download Handlers
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T16:49:21.690Z

Reserved: 2026-11-03T14:46:12.571Z

Link: CVE-2026-121544

cve-icon Vulnrichment

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cve-icon NVD

Status : Deferred

Published: 2026-11-03T16:17:25.857

Modified: 2026-11-03T16:30:49.290

Link: CVE-2026-121544

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses