Vulnerability · Published May 26, 2026 · Assigned by GitHub_M

CVE-2026-47202Kavita: Pre-Auth Account Takeover

Critical 9.3

In plain English

A critical-severity improper authentication in Kavita from Kareadita. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.2%top 93.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Kareadita Kavita < 0.9.0.2

Weakness: CWE-287, CWE-345, CWE-697 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

References