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Showing 4 vulnerabilities on this page

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VulnerabilityTitle and contextCVSSEPSSPoCsSignals

Kavita: Pre-Auth Account Takeover

Kavita is a cross platform reading server. Prior to 0.9.0.2, an Improper Token validation flaw permits a remote and unauthenticated threat actor to request a JWT for any user including admins given knowledge of their username. This vulnerability is fixed in 0.9.0.2.

CWE-287CWE-345CWE-697May 26, 2026
CVSS9.3v4.0EPSS0.171%PoCs0SignalsSTIX

Kavita: IDOR in /api/Download/*

Kavita is a cross platform reading server. Prior to 0.9.0, the download, size-check, and chapter metadata endpoints do not enforce library-level authorization. A low-privileged user who knows or guesses a chapterId, volumeId, or seriesId belonging to a library they are not assigned to can download the full file contents, query file sizes, and read metadata for that content. This affects /api/Download/volume-size, /api/Download/chapter-size, /api/Download/series-size, /api/Download/volume, /api/D…

CWE-639May 26, 2026
CVSS5.9v4.0EPSS0.25%PoCs0SignalsSTIX

Kavita: No authentication at /api/Reader/image

Kavita is a cross platform reading server. Prior to 0.9.0, the ReaderController.GetImage endpoint is decorated with [AllowAnonymous], allowing completely unauthenticated access to page images from any chapter in any library. While the endpoint accepts an apiKey parameter, it is never validated. Since entity IDs are sequential integers, an unauthenticated attacker can trivially enumerate all content on the server. This vulnerability is fixed in 0.9.0.

CWE-306May 26, 2026
CVSS6.9v4.0EPSS0.281%PoCs0SignalsSTIX

Cross-Site Scripting (XSS) vulnerability via crafted ebooks in Kavita

Kavita is a cross platform reading server. Opening an ebook with malicious scripts inside leads to code execution inside the browsing context. Kavita doesn't sanitize or sandbox the contents of epubs, allowing scripts inside ebooks to execute. This vulnerability was patched in version 0.8.1.

CWE-79Jun 28, 2024
CVSS3.5v3.1EPSS0.463%PoCs0SignalsSTIX