Description
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.
References9
- github.com/VictoriaMetrics/VictoriaMetrics/
- github.com/VictoriaMetrics/VictoriaMetrics/commit/119ba0fb5be80…
- github.com/VictoriaMetrics/VictoriaMetrics/issues/11180
- github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.147.0
- github.com/VictoriaMetrics/VictoriaMetrics/security/advisories/…
- vuldb.com/cve/CVE-2026-19898
- vuldb.com/submit/870679
- vuldb.com/vuln/390088
- vuldb.com/vuln/390088/cti
Metrics
- CVSS 3.1
-
3.7
LOW
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 4.0
-
2.9
LOW
Score source: CNA
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 - EPSS — exploit probability
- 1% percentile: 55 · as of 11 November 2026
- CWE
- CWE-307CWE-799
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.