CVE-2026-63434 PUBLISHED

MyTube: Visitor-Role Statistics Event Forgery Allows Analytics Data Poisoning

Assigner: GitHub_M
Reserved: 16.07.2026 Published: 03.11.2026 Updated: 03.11.2026

MyTube is a self-hosted downloader and player for several video websites. Prior to 1.10.6, when statisticsEnabled and statisticsTrackVisitorActivity are enabled, a visitor-role user can submit events to the statistics ingest endpoint handled by ingestEvents in backend/src/controllers/statisticsController.ts. The handler reads req.body.events and accepts the client-controlled platform, sourceKind, and sessionId fields without server-side derivation or validation before passing the events to the analytics persistence path. A visitor can therefore attribute fabricated events to arbitrary platforms, sources, and sessions, corrupting administrator-visible view counts, download counts, platform breakdowns, source attribution, and session analytics. The server-derived actorRole and surface fields are not forgeable through this issue. This issue is fixed in version 1.10.6.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score: 4.3

Product Status

Vendor franklioxygen
Product MyTube
Versions
  • Version < 1.10.6 is affected

References

Problem Types

  • CWE-20: Improper Input Validation CWE