advplyr audiobookshelf up to 2.33.1 Podcast Creation Endpoint PodcastController.js path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.74

Summaryinfo

A vulnerability, which was classified as critical, was found in advplyr audiobookshelf up to 2.33.1. This impacts an unknown function of the file server/controllers/PodcastController.js of the component Podcast Creation Endpoint. The manipulation results in path traversal. This vulnerability is known as CVE-2026-42888. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in advplyr audiobookshelf up to 2.33.1. Affected is some unknown functionality of the file server/controllers/PodcastController.js of the component Podcast Creation Endpoint. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-42888 since 04/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2.33.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: audiobookshelf 2.33.2

Timelineinfo

04/30/2026 CVE reserved
05/12/2026 +12 days Advisory disclosed
05/12/2026 +0 days VulDB entry created
05/12/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-phch-9734-wrp3
Status: Confirmed

CVE: CVE-2026-42888 (🔒)
GCVE (CVE): GCVE-0-2026-42888
GCVE (VulDB): GCVE-100-362910

Entryinfo

Created: 05/12/2026 04:38
Changes: 05/12/2026 04:38 (69)
Complete: 🔍
Cache ID: 216::103

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