CVE-2026-19898 PUBLISHED

VictoriaMetrics VMAuth Authentication Endpoint main.go requestHandler excessive authentication

Assigner: VulDB
Reserved: 14.08.2026 Published: 15.08.2026 Updated: 15.08.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 6.3

Product Status

Vendor n/a
Product VictoriaMetrics
Versions
  • Version 1.146 is affected
  • Version 1.147.0 is unaffected

Credits

  • ZAST.AI (VulDB User) reporter

References

Problem Types

  • Improper Restriction of Excessive Authentication Attempts CWE
  • Improper Control of Interaction Frequency CWE