Description
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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/Kareadita/Kavita/security/advisories/GHSA-6gc9-6r8p-5wg2
X_Refsource_Misc x_refsource_misc
https://github.com/Kareadita/Kavita/blob/8c686df2dbc2d0a83120e8b3f8c1269107bb815d/API/Controllers/ReaderController.cs#L116
Scores
CVSS v4
6.9
EPSS
0.0028
EPSS Percentile
19.6%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-306
Status
published
Products (1)
Kareadita/Kavita
< 0.9.0
Published
May 26, 2026
Tracked Since
May 26, 2026