Nezha Dashboard before 2.3.5 Task Type Validation Bypass (CVE-2026-101086) | HOL Guard CVE

High · CVSS 7.1CVE-2026-101086

Nezha Dashboard before 2.3.5 Task Type Validation Bypass

Answer in brief

CVE-2026-101086 records a High severity (CVSS 7.1) vulnerability in Nezha Dashboard before 2.3.5 Task Type Validation Bypass. The current sources do not mark it as known exploited. The current feed maps nezhahq/nezha (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 27, 2026Updated Sep 28, 2026Source checked Sep 29, 2026First seen by HOL Sep 27, 2026Material review Sep 28, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps nezhahq/nezha (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
nezhahq/nezhageneric	>=0 <2.3.5	2.3.5

Recommended response

Check inventory. Check lockfiles and deployed manifests for nezhahq/nezha.
Review the reported fix. Update nezhahq/nezha to 2.3.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 27, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 28, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 27, 2026

Sources and claim methodology

Upstream source description

Nezha Dashboard versions before 2.3.5 fail to restrict service monitor task types to supported probe types, allowing authenticated users with nezha:service:write scope to submit privileged task types through the service API. Attackers can deliver command execution or Agent configuration tasks to Agents within their authorization scope by exploiting the shared protobuf Task.Type namespace between service monitors and privileged operations.

Quoted source text, attributed separately from HOL analysis.