Authorization bypass through user-controlled key in Kavita - #VU147278
Published: September 7, 2026
Vulnerability identifier: #VU147278
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to alter another user's dashboard or side-navigation widget visibility.
The vulnerability exists due to authorization bypass through a user-controlled key in the dashboard and side-navigation stream update handlers when processing user-supplied stream identifiers. A remote user can submit identifiers for streams owned by another user to alter their visibility.
The bulk side-navigation visibility endpoint can alter all supplied side-navigation streams in a single request.
Affected software
Kavita
Remediation
Install security update from vendor's website.
Kavita - update to 0.9.1.0