MagicMirror newsfeed Socket.IO notification allows blind server-side request forgery

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS 4.0

6.3 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N · score source

EPSS

• CVE-2026-63642: 0.50% estimated exploitation activity in the next 30 days; percentile 42.63 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Vulnerability — Blind SSRF via CHECKARTICLEURL (MagicMirror² newsfeed) Analysis of the PoC exploit-ssrf-newsfeed.js. Target: newsfeed/nodehelper.js of MagicMirror², socket.io namespace /newsfeed. --- Identification | Field | Value | |-------|-------| | PoC file | exploit-ssrf-newsfeed.js | | Endpoint | socket.io namespace /newsfeed, notification CHECKARTICLEURL | | Precondition | reach the mirror's HTTP port (no authentication required) | --- Description The checkArticleUrl() function in newsfeed/nodehelper.js runs fetch(url, { method: "HEAD" }) with zero validation of the URL and returns ARTICLEURLSTATUS { url, canFrame }. This gives the attacker a boolean + timing oracle to map internal hosts and ports: presence, absence, and response time reveal which internal services are alive. It is a "blind-ish" SSRF — the attacker doesn't see the body, but forces the server-side request and observes the effect on the target. The actual proof is observed on the target side (the server-side…

Published by the source

18 Aug 2026, 17:26 UTC

Last modified by the source

18 Aug 2026, 17:26 UTC

Source last checked

26 Oct 2026, 13:01 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-998g-7v5w-cr7g

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-63642

Advisory: MagicMirror newsfeed Socket.IO notification allows blind server-side request forgery
IDs: CVE-2026-63642, GHSA-998g-7v5w-cr7g
Record: https://patchnext.com/advisories/cve-2026-63642 (revision 1, source checked 26 Oct 2026, 13:01 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: magicmirror 2.37.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm magicmirror: affected < 2.37.0; fixed in 2.37.0

## Suggested inspection (read-only)
- `npm ls magicmirror --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on magicmirror.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-998g-7v5w-cr7g (GitHub-reviewed advisory GHSA-998g-7v5w-cr7g lists affected ranges: npm magicmirror >=0 <2.37.0)

Commands are suggestions: review each one before running it.