Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Previously created sessions continue being valid after MFA activationAnalysed#667739 | Valid | Access Control | – | 2019-08-19 | – | 176 |
| Handling of `tracking` command allows making arbitrary blind requests with user's cookies from Grammarly Extension's originAnalysed#389108 | Valid | No weakness recorded | – | 2019-08-01 | – | 202 |
| Ability to DOS any organization's SSO and open up the door to account takeoversAnalysed#976603 | Valid | Authentication | – | 2021-04-15 | $10,500 | 260 |
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 (348 analysed so far), which can be wrong. Data as of 2026-11-14.