CVE-2025-25205
HIGHEPSS 89th pctlDescription
Audiobookshelf is a self-hosted audiobook and podcast server. Starting in version 2.17.0 and prior to version 2.19.1, a flaw in the authentication bypass logic allows unauthenticated requests to match certain unanchored regex patterns in the URL. Attackers can craft URLs containing substrings like "/api/items/1/cover" in a query parameter (?r=/api/items/1/cover) to partially bypass authentication or trigger server crashes under certain routes. This could lead to information disclosure of otherwise protected data and, in some cases, a complete denial of service (server crash) if downstream code expects an authenticated user object. Version 2.19.1 contains a patch for the issue.
How to fix
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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Exploit Intelligence
Elevated risk: more likely to be exploited than 89% of all known CVEs.
References
Related Vulnerabilities
Other CWE-202 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2025-69200 | High | 7.5 | 2.0% | - | Fix |
| CVE-2021-32743 | High | 8.8 | 1.8% | - | Fix |
| CVE-2019-19000 | Medium | 6.5 | 1.1% | - | - |
| CVE-2022-20747 | Medium | 6.5 | 0.9% | - | Fix |
| CVE-2023-0785 | Low | 3.7 | 0.9% | - | - |
| CVE-2019-19091 | Medium | 4.3 | 0.8% | - | - |
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Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-03.