Security Advisory

CVE-2026-42885

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-11 19:52:58

Last updated 2026-05-11 20:22:08

Assigner GitHub_M

CVSS score 4.3

State PUBLISHED

Description

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.32.2, the POST /api/filesystem/pathexists endpoint uses String.startsWith() to validate that a resolved file path is within a library folder. This check fails for sibling directories whose names share a common prefix (e.g., /audiobooks vs /audiobooks-private), allowing authenticated users with upload permission to probe file existence outside their authorized library folder boundaries. This vulnerability is fixed in 2.32.2.

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