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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Vulnerable Products
n/a:victoriametrics
References 9
https://github.com/VictoriaMetrics/VictoriaMetrics/
cna@vuldb.com
https://github.com/VictoriaMetrics/VictoriaMetrics/commit/119ba0fb5be8024d50c5b…
cna@vuldb.com
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/11180
cna@vuldb.com
https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.147.0
cna@vuldb.com
https://github.com/VictoriaMetrics/VictoriaMetrics/security/advisories/GHSA-c7p…
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-19898
cna@vuldb.com
https://vuldb.com/submit/870679
cna@vuldb.com
https://vuldb.com/vuln/390088
cna@vuldb.com
https://vuldb.com/vuln/390088/cti
cna@vuldb.com