VulnerabilityDeferred
CVE-2026-47202
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.
CRITICAL 9.3EPSS 0.17%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.17%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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/M
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287, CWE-345, CWE-697
- Source
- security-advisories@github.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.