HexBrain

TikTok · Report #3012526

Chained Broken Access Control in TikTok Live Backstage Enables Full Control of Public Leaderboard Activities

Validstatus
mediumseverity
89upvotes
11 Sept 2025disclosed

Summary

A broken access control vulnerability in TikTok Live Backstage allowed low-privilege users (group members and group leaders) to gain unauthorized control over public leaderboard activities belonging to other organizations.

How it was found

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