CVE-2026-19898
VictoriaMetrics VMAuth Authentication Endpoint main.go requestHandler excessive authentication
LOW 2.9EPSS 0.8%
A vulnerability was found in VictoriaMetrics up to 1.146.0. Impacted is the function requestHandler of the file app/vmauth/main.go of the component VMAuth Authentication Endpoint. Performing a manipulation results in improper restriction of excessive authentication attempts. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been made public and could be used. Upgrading to version 1.147.0 is recommended to address this issue. The patch is named 119ba0fb5be8024d50c5ba946599b2e69e8803ea. Upgrading the affected component is recommended.
- Affected
- VictoriaMetrics
- CVSS v4.0 VULDB
- 2.9 LOW
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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 - CVSS v3.1 VULDB
- 3.7 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS v2.0 VULDB
- 2.6 LOW
AV:N/AC:H/Au:N/C:P/I:N/A:N - EPSS
- 0.75% chance of exploitation in the next 30 days, 54th percentile
- Published
- 2026-08-15
- Updated
- 2026-08-18
Proof-of-concept exploits (1)
- VictoriaMetrics/VictoriaMetrics/issues/1118017841★ · 2026-10-11