CVE-2026-19898

medium

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.

References

https://vuldb.com/vuln/390088/cti

https://vuldb.com/vuln/390088

https://vuldb.com/submit/870679

https://vuldb.com/cve/CVE-2026-19898

https://github.com/VictoriaMetrics/VictoriaMetrics/security/advisories/GHSA-c7pm-322g-r9gf

https://github.com/VictoriaMetrics/VictoriaMetrics/releases/tag/v1.147.0

https://github.com/VictoriaMetrics/VictoriaMetrics/issues/11180

https://github.com/VictoriaMetrics/VictoriaMetrics/commit/119ba0fb5be8024d50c5ba946599b2e69e8803ea

https://github.com/VictoriaMetrics/VictoriaMetrics/

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-08-15

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Low

CVSS v4

Base Score: 6.3

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

Severity: Medium