CVE-2026-19898
Published:August 15, 2026
Updated:September 01, 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.
Affected Packages
https://github.com/VictoriaMetrics/VictoriaMetrics.git (GITHUB):
Affected version(s) >=v0.1.0-victorialogs <v1.147.0Fix Suggestion:
Update to version v1.147.0github.com/VictoriaMetrics/VictoriaMetrics (GO):
Affected version(s) >=v0.0.0-20200601113532-d2f30e8d794e <v1.147.0Fix Suggestion:
Update to version v1.147.0Related Resources (11)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
EPSS
Base Score:
0.48