CVE-2026-19898

VictoriaMetrics VMAuth Authentication Endpoint main.go requestHandler excessive authentication

LOW
3.7
CVSS Score
Published: August 15, 2026 at 03:45 PM UTC
Updated: August 20, 2026 at 01:05 PM UTC
1 product affected across 1 vendorVictoriaMetrics

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Severity
LOW3.7
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 1.147.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (9)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.7LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-307CWE-799

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