CVE-2026-42888 PUBLISHED

Audiobookshelf: Path Traversal vulnerability in the audiobookshelf project

Assigner: GitHub_M
Reserved: 30.04.2026 Published: 11.05.2026 Updated: 11.05.2026

Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.32.2, the podcast creation endpoint at server/controllers/PodcastController.js accepts a user-controlled file path without sufficient boundary validation to ensure it remains within the intended library directory. This vulnerability is fixed in 2.32.2.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	advplyr
Product	audiobookshelf
Versions	Version < 2.33.2 is affected

References

https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-phch-9734-wrp3

Problem Types

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