CVE-2026-42888 Audiobookshelf: Path Traversal vulnerability in the audiobookshelf project
Attackers can exploit a path traversal flaw in the podcast creation endpoint to read or modify files outside the intended library directory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42888?
CVE-2026-42888 is a medium-severity path traversal vulnerability in advplyr audiobookshelf, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-42888?
How do I fix CVE-2026-42888?
No fix has been published for CVE-2026-42888 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-42888 being exploited?
There is no known exploitation of CVE-2026-42888 in the wild and no public exploit code.
Sources
Also known as GHSA-phch-9734-wrp3.