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Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Superhuman (formerly Grammarly)
Status
Severity
Weakness
Year:2020
Clear
Bounty paid1
Access stated
Access needed
Technique
Clear filters5 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Unauthenticated users can access all food.grammarly.io user's dataAnalysed#745495ValidAccess ControlLow2020-08-10–138
Lack or Origin check leads to Cross-Site Websocket Hijacking (CSWSH)Analysed#535436ValidAccess ControlHigh2020-01-04$800134
Use Github pack with Coda employee github account (search code of Coda's private repositories)Analysed#676581ValidNo weakness recordedMedium2020-01-02–104
Grammarly Keyboard for Android "Authorization Code with PKCE" flow implementation vulnerability that allows account takeoverAnalysed#824931ValidCryptographyMedium2020-07-24–76
Unrestricted access to any "connected pack" on docsAnalysed#777942ValidAccess ControlMedium2020-04-14–27

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report, where there is one, which can be wrong. Data as of 2026-11-15.