Medium · CVSS 6.3CVE-2026-63643GHSA-W6X9-28JW-HQ7J

MagicMirror: ssrf calendar .js

Answer in brief

CVE-2026-63643 records a Medium severity (CVSS 6.3) vulnerability in MagicMirror: ssrf calendar .js. The current sources do not mark it as known exploited. The current feed maps MagicMirrorOrg/MagicMirror (generic), magicmirror (npm), magicmirror (npm). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

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

Published Aug 18, 2026Updated Sep 8, 2026Source checked Oct 2, 2026First seen by HOL Aug 18, 2026Material review Sep 8, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.3
Exploitation: Not marked as known exploited
Affected software: 3 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 6.3. 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 MagicMirrorOrg/MagicMirror (generic), magicmirror (npm), magicmirror (npm). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
MagicMirrorOrg/MagicMirrorgeneric	< 2.37.0	Not reported
magicmirrornpm	<2.37.0	2.37.0
magicmirrornpm	>=0 <2.37.0	2.37.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for MagicMirrorOrg/MagicMirror, magicmirror, magicmirror.
Review the reported fix. Update magicmirror to 2.37.0; magicmirror to 2.37.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 8, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 18, 2026

Sources and claim methodology

Upstream source description

MagicMirror² is an open source modular smart mirror platform. Prior to 2.37.0, the ADD_CALENDAR handler in defaultmodules/calendar/node_helper.js accepts an attacker-controlled URL, authentication data, and selfSignedCert setting through the unauthenticated Socket.IO namespace /calendar. The handler passes these fields to CalendarFetcher, causing a server-side request without SSRF validation and optionally disabling TLS verification. When the response is valid iCal, CALENDAR_EVENTS returns parsed event data to the attacker, allowing internal-service response data to be exfiltrated; other responses still provide a blind request and timing primitive. This issue is fixed in version 2.37.0.

Quoted source text, attributed separately from HOL analysis.