CVE-2025-57800

Description

Audiobookshelf is an open-source self-hosted audiobook server. In versions 2.6.0 through 2.26.3, the application does not properly restrict redirect callback URLs during OIDC authentication. An attacker can craft a login link that causes Audiobookshelf to store an arbitrary callback in a cookie, which is later used to redirect the user after authentication. The server then issues a 302 redirect to the attacker-controlled URL, appending sensitive OIDC tokens as query parameters. This allows an attacker to obtain the victim's tokens and perform full account takeover, including creating persistent admin users if the victim is an administrator. Tokens are further leaked via browser history, Referer headers, and server logs. This vulnerability impacts all Audiobookshelf deployments using OIDC; no IdP misconfiguration is required. The issue is fixed in version 2.28.0. No known workarounds exist.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-523 CWE-523

CWE-598 CWE-598

CWE-601 CWE-601

Affected Products

Vendor	Product	Versions
audiobookshelf	audiobookshelf	2.6.0 — 2.28.0

References

Advisories & Patches

https://github.com/advplyr/audiobookshelf/commit/99a3867ce934b797e21e6ba5390d4b679e35f7cb https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-vpc2-w73p-39px

Exploits

https://github.com/advplyr/audiobookshelf/security/advisories/GHSA-vpc2-w73p-39px

Frequently Asked Questions

What is CVE-2025-57800? +

Audiobookshelf is an open-source self-hosted audiobook server. In versions 2.6.0 through 2.26.3, the application does not properly restrict redirect callback URLs during OIDC authentication. An attacker can craft a login link that causes Audiobookshelf to store an arbitrary callback in a cookie, which is later used to redirect the user after authentication. The server then issues a 302 redirect to the attacker-controlled URL, appending sensitive OIDC tokens as query parameters. This allows an attacker to obtain the victim's tokens and perform full account takeover, including creating persistent admin users if the victim is an administrator. Tokens are further leaked via browser history, Referer headers, and server logs. This vulnerability impacts all Audiobookshelf deployments using OIDC; no IdP misconfiguration is required. The issue is fixed in version 2.28.0. No known workarounds exist. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-57800? +

CVE-2025-57800 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-57800? +

CVE-2025-57800 affects products from audiobookshelf, specifically: audiobookshelf. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-57800? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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