Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Subdomain Takeover Via Insecure CloudFront Distribution cdn.grab.comAnalysed#352869 | Valid | Memory Corruption | Medium | 2021-02-24 | $1,000 | 142 |
| Two-factor authentication bypass on Grab Android AppAnalysed#202425 | Valid | Authentication | Medium | 2017-09-12 | – | 46 |
| Private Grab Messages on Android App can be accessed and cached by Search EnginesAnalysed#221558 | Valid | No weakness recorded | Medium | 2017-09-14 | – | 34 |
| Registration enabled on ███grab.comAnalysed#318099 | Valid | Information Disclosure | Medium | 2018-02-28 | – | 32 |
| [growth.grab.com] Reflected XSS via Base64-encoded "q" param on "my.html" Valentine's micrositeAnalysed#320679 | Valid | Cross-site Scripting | Medium | 2018-03-02 | – | 29 |
| Unrestricted access to https://██████.█████myteksi.net/Analysed#304386 | Valid | Access Control | Medium | 2018-02-12 | $250 | 23 |
| stored xss in comments : driver examAnalysed#274443 | Valid | Cross-site Scripting | Medium | 2017-11-30 | $250 | 21 |
| [parcel.grab.com] DOM XSS at /assets/bower_components/lodash/perf/Analysed#248560 | Valid | Cross-site Scripting | Medium | 2017-08-16 | – | 21 |
| CSV Injection https://hub.grab.comAnalysed#244292 | Valid | Command and Code Injection | Medium | 2017-10-27 | – | 20 |
| Unrestricted access to Eureka server on ██████#304240 | Valid | Access Control | Medium | 2018-02-06 | $500 | 17 |
| Dom based xss affecting all pages from https://www.grab.com/.#247246 | Valid | Cross-site Scripting | Medium | 2017-08-17 | – | 16 |
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 (4,365 analysed so far), which can be wrong. Data as of 2026-11-15.