CVE-2023-47624: Audiobookshelf Arbitrary File Read Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-13 · updated 2026-06-17
Weakness: CWE-22

Description

Audiobookshelf is a self-hosted audiobook and podcast server. In versions 2.4.3 and prior, any user (regardless of their permissions) may be able to read files from the local file system due to a path traversal in the `/hls` endpoint. This issue may lead to Information Disclosure. As of time of publication, no patches are available.

Affected products

advplyr audiobookshelf: through 2.4.3

References

https://github.com/advplyr/audiobookshelf/blob/d7b2476473ef1934eedec41425837cddf2d4b13e/server/routers/HlsRouter.js#L32
https://securitylab.github.com/advisories/GHSL-2023-203_GHSL-2023-204_audiobookshelf/
https://github.com/advplyr/audiobookshelf/blob/d7b2476473ef1934eedec41425837cddf2d4b13e/server/routers/HlsRouter.js#L32
https://securitylab.github.com/advisories/GHSL-2023-203_GHSL-2023-204_audiobookshelf/

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