WWBN AVideo Missing Authorization via mediaSession.json.php (CVE-2026-90550) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-90550

WWBN AVideo Missing Authorization via mediaSession.json.php

Answer in brief

CVE-2026-90550 records a Unknown severity vulnerability in WWBN AVideo Missing Authorization via mediaSession.json.php. The current sources do not mark it as known exploited. The current feed maps WWBN/AVideo (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 12, 2026Updated Sep 12, 2026Source checked Sep 12, 2026First seen by HOL Sep 12, 2026Material review Sep 12, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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 WWBN/AVideo (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
WWBN/AVideogeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for WWBN/AVideo.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 12, 2026

Sources and claim methodology

Upstream source description

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to check user authorization in the PlayerSkins mediaSession.json.php endpoint before returning video metadata. Unauthenticated attackers can request the endpoint with a video ID parameter to retrieve password-protected video titles and owner email addresses without authentication.

Quoted source text, attributed separately from HOL analysis.