# CVE-2026-101085 — nezhahq nezha

> As of 2026-09-28, CVE-2026-101085 is a MEDIUM-severity vulnerability in nezhahq nezha, CVSS v3.1 6.5. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-101085 as of 2026-09-28; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-28

## What is CVE-2026-101085?

Nezha before 2.3.8 fails to validate alert rule type and duration bounds, allowing authenticated non-administrator users to create malformed rules that trigger unrecovered panics in the alert evaluator goroutine. Attackers can submit a crafted alert rule via the POST /api/v1/alert-rule endpoint to crash the dashboard process, which persists the rule and causes repeated crashes on restart, disabling all monitoring and control plane functionality.

The record classifies CVE-2026-101085 under weakness class [CWE-197](https://cwe.mitre.org/data/definitions/197.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 8 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)
- **CVSS v4.0 base score:** 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-27, last modified 2026-09-28

## Is CVE-2026-101085 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **nezhahq**: nezha

## How to fix CVE-2026-101085

No vendor patch reference has been recorded for CVE-2026-101085 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-101085

No threat campaign in the Threadlinqs corpus currently references CVE-2026-101085, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org. Last verified by Threadlinqs on 2026-09-28.

**Vendor advisory and patch**

- [github.com — vendor advisory](https://github.com/nezhahq/nezha/security/advisories/GHSA-2qc6-x993-hjq9)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/nezha-before-2.3.8-denial-of-service-via-alert-rule)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-101085
Full detection coverage and IOCs for threats exploiting CVE-2026-101085 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp