CVE-2026-19898CWE-307CWE-799

CVE-2026-19898

Low · published August 15, 2026

CVSS v3.1
3.7
EPSS
1%
Percentile
54.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.3 · 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
EPSS
0.00752 · 54.5th percentile
Weaknesses
CWE-307 · Improper Restriction of Excessive Authentication Attempts; CWE-799 · Improper Control of Interaction Frequency
Published
2026-08-15T20:16Z
References (9)
EPSS history
Timeline
  • 15 AUG 15:45Z
    VictoriaMetrics VMAuth Authentication Endpoint main.go requestHandler excessive authentication
    cvelistv5