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GKData.io MCP

AZAuthorization and tenant boundaries · 2 min read

YouTube and Pixel Recorder exposed cross-product identity links

One cross-product privacy report received USD 3,133 and a USD 7,500 adjustment, totaling USD 10,633.

Read the primary source AZAuthorization and tenant boundariesReviewed 2026-10-02

Root cause

Cross-product identifier exposure and insufficient field-level privacy controls weakened account pseudonymity.

Demonstrated impact

Researchers reported that private email addresses associated with YouTube users could be revealed. No mass breach is established.

Lessons for review

  • Treat cross-product identifiers as sensitive correlation data.
  • Require entitlement before returning identity attributes.
  • Verify remediation across every affected component.

Award and evidence

USD 10,633Bug Bounty · Researcher Reported

One report: December 3 entry explicitly says it returned for additional reward consideration. Headline rounds to $10,000. Exact arithmetic is $10,633. USD uses Google web VRP denomination documented by google-usd-context. Awarded, not confirmed paid.

Primary source reviewed; individual award and attribution checked. Historical defensive summary only. Official 2024 program announcement was read in the cloud browser for USD denomination only; its advertised maximum is not award evidence.

  • Award evidence is not an independently audited cash receipt.
  • The source uses dollar notation, with USD established from Google program context.
  • No public report ID, recipient split, or exact fix-deployment date is provided.
  • Separate from the March 2025 creator-metadata report and its USD 20,000 award.

Recorded timeline

Published
2025-02-12explicit
Public Disclosure
2025-02-12explicit
Reported
2024-09-15explicit
Awarded
2024-12-12explicit · Final additional award; initial award was November 5, 2024.

Sources and provenance

  1. Leaking the email of any YouTube user for $10,000 Arvin Shivram and Nathan · reviewed 2026-10-02
  2. Google and Alphabet VRP reward-denomination announcement, July 11, 2024 Sam Erb and Krzysztof Kotowicz / Google · reviewed 2026-10-02

Record reviewed 2026-10-02. Snapshot d5550c789111. Open the complete JSON contract.

GitHub snapshot 2026-10-04

d5550c789111 · JSON exports & schemas · CC BY 4.0 content / MIT software