Work at Superhuman (formerly Grammarly)? Claim it to respond to reviews as the verified owner.
Found a vulnerability?
If you would rather not deal with the vendor yourself, a BugRater analyst will submit it upstream on your behalf, with your explicit permission, and tell you what came back.
Ask BugRater to submit itPrivate. The report body is encrypted at rest; BugRater holds the key, so the analyst working it can read it. Every read is logged.
HackerOne’s own figures for this program, read from its public page, not reported by researchers and not part of the BugRater grade. Captured 2 Oct 2026.
What it pays, by severity
$1,050,323 paid to researchers in total, $57,168 of it in the last 90 days. Lifetime figure as HackerOne prints it: evidence this program has paid, not a promise about any one report.
Intake & responsiveness · last 90 days
Response targets it sets itself
A target the program declared, not a measurement of it being met.
Getting in the door
Open to submit. Nothing HackerOne publishes stands between a hunter and a first report here.
Over 42 days (22 snapshots): intake up 199 reports; response efficiency up 4 points; 90-day payout up $33,137.
See how this programme’s report load compares to others →
Reviews
0 publishedNo reviews yet.
Who this program credits
500 creditedResearchers HackerOne shows on this program’s public thanks list, best position first. “Recognised” is how many of a hunter’s submissions the program accepted; the ratio is their signal here, not our judgement of them.
| # | Researcher | Reputation | Recognised / submitted |
|---|---|---|---|
| 1 | metnew | 439 | 12 / 14 86% |
| 2 | matanber | 402 | 10 / 13 77% |
| 3 | adn_sh | 387 | 12 / 33 36% |
| 4 | 0xcyborg | 376 | 10 / 22 45% |
| 5 | exception | 350 | 15 / 45 33% |
| 6 | bigbug | 337 | 12 / 31 39% |
| 7 | vijaysimha-reddy | 298 | 7 / 11 64% |
| 8 | mlitchfield | 292 | 11 / 15 73% |
| 9 | cache-money | 281 | 7 / 8 88% |
| 9 | b71a3b909822ffc3159cd3d451459 | 216 | 6 / 9 67% |
| 10 | fransrosen | 230 | 4 / 4 100% |
| 11 | hx01 | 205 | 4 / 10 40% |
| 12 | tomtenisse | 203 | 4 / 8 50% |
| 13 | brdoors3 | 184 | 6 / 18 33% |
| 14 | bugschopper | 182 | 6 / 6 100% |
| 14 | mohammad-robot | 155 | 4 / 6 67% |
| 15 | w2w | 179 | 7 / 18 39% |
| 16 | sameer_ali | 178 | 0 / 0 |
| 16 | sam0 | 118 | 2 / 2 100% |
| 17 | elmahdi | 175 | 3 / 4 75% |
| 17 | jmxy | 175 | 3 / 4 75% |
| 19 | psaux | 167 | 6 / 7 86% |
| 20 | actinarium | 164 | 2 / 3 67% |
| 21 | monke | 163 | 4 / 4 100% |
| 22 | netfuzzer | 152 | 7 / 11 64% |
Showing the top 25 of 500 credited on HackerOne.
Facts published by HackerOne on the program's own page, not reported by researchers, and not part of the BugRater grade. Last checked 30 Sep 2026.
Superhuman (formerly Grammarly) unites Grammarly, Superhuman Mail, Coda, and Go with AI to unlock superhuman potential in everyone.
Scope
113 assets| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| *.coda.io | WILDCARD | ✓ bounty | Critical |
| *.grammarly.com | WILDCARD | ✓ bounty | Critical |
| *.grammarly.io | WILDCARD | ✓ bounty | Critical |
| *.grammarly.net | WILDCARD | ✓ bounty | Critical |
| *.grammarlyaws.com | WILDCARD | ✓ bounty | Critical |
Show all 113 assets
| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| *.proofit.com | WILDCARD | ✓ bounty | Critical |
| *.superhuman.com | WILDCARD | ✓ bounty | Critical |
| account.grammarly.com | URL | ✓ bounty | Critical |
| accounts.superhuman.com | URL | ✓ bounty | Critical |
| admin-panel.grammarly.com | URL | ✓ bounty | Critical |
| answers.grammarly.com | URL | ✓ bounty | Critical |
| App Actions | OTHER | ✓ bounty | Critical |
| app.grammarly.com | URL | ✓ bounty | Critical |
| AppActions | OTHER | ✓ bounty | Critical |
| atool.proofit.grammarlyaws.com | URL | ✓ bounty | Critical |
| auth.grammarly.com | URL | ✓ bounty | Critical |
| blog.grammarly.com | URL | ✓ bounty | Critical |
| capi.grammarly.com | URL | ✓ bounty | Critical |
| Capture the Flag | OTHER | ✓ bounty | Critical |
| Coda Chrome Extension | OTHER | ✓ bounty | High |
| coda.grammarly.com | URL | ✓ bounty | Critical |
| coda.io | URL | ✓ bounty | Critical |
| codacontent.io | URL | ✓ bounty | Critical |
| codahosted.io | URL | ✓ bounty | Critical |
| com.grammarly.android.keyboard | GOOGLE PLAY APP ID | ✓ bounty | Critical |
| com.grammarly.keyboard | APPLE STORE APP ID | ✓ bounty | Critical |
| com.superhuman.mail | APPLE STORE APP ID | ✓ bounty | Critical |
| dapi.grammarly.com | URL | ✓ bounty | Critical |
| data.grammarly.com | URL | ✓ bounty | Critical |
| datareport.grammarly.com | URL | ✓ bounty | Critical |
| developer.grammarly.com | URL | ✓ bounty | Critical |
| docs.superhuman.com | URL | ✓ bounty | Critical |
| dox.grammarly.com | URL | ✓ bounty | Critical |
| felog.grammarly.com | URL | ✓ bounty | Critical |
| Focus Scope | OTHER | ✓ bounty | Critical |
| food.grammarly.io | URL | ✓ bounty | Low |
| g-mail.grammarly.com | URL | ✓ bounty | Critical |
| gateway.superhuman.com | URL | ✓ bounty | Critical |
| gnar.grammarly.com | URL | ✓ bounty | Critical |
| goldengate.grammarly.com | URL | ✓ bounty | Critical |
| Grammarly AI Assistant | AI MODEL | ✓ bounty | Critical |
| Grammarly Assistant | OTHER | ✓ bounty | Critical |
| Grammarly Auth Services | OTHER | ✓ bounty | Critical |
| Grammarly Browser Extensions | OTHER | ✓ bounty | Critical |
| Grammarly Business Features | OTHER | ✓ bounty | Critical |
| Grammarly Desktop for macOS | DOWNLOADABLE EXECUTABLES | ✓ bounty | Critical |
| Grammarly Desktop for Windows | DOWNLOADABLE EXECUTABLES | ✓ bounty | Critical |
| Grammarly for Chrome | OTHER | ✓ bounty | Critical |
| Grammarly for Microsoft Edge | OTHER | ✓ bounty | Critical |
| Grammarly for Microsoft Word | DOWNLOADABLE EXECUTABLES | ✓ bounty | Critical |
| Grammarly for Safari | OTHER | ✓ bounty | Critical |
| grammarly.ai | URL | ✓ bounty | Low |
| http://www.grammarly.com/business | URL | ✓ bounty | Critical |
| http://www.grammarly.com/edu | URL | ✓ bounty | Critical |
| https://*.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://airflow-prod.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://airflow-prod.ops.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://coda.io/* | WILDCARD | ✓ bounty | Critical |
| https://coda.io/signup/email | URL | ✓ bounty | Critical |
| https://data.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://head.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://infra.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://shiny.ops.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://staging.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://user-profile-prod.coda.io/* | WILDCARD | ✓ bounty | Medium |
| https://user-profile-test.coda.io/* | WILDCARD | ✓ bounty | Low |
| id.superhuman.com | URL | ✓ bounty | Critical |
| institution.grammarly.com | URL | ✓ bounty | Critical |
| io.coda | APPLE STORE APP ID | ✓ bounty | Critical |
| io.coda.codaapp | GOOGLE PLAY APP ID | ✓ bounty | Critical |
| irbis.grammarly.com | URL | ✓ bounty | Critical |
| Log4j RCE | OTHER | ✓ bounty | Critical |
| mail.superhuman.com | URL | ✓ bounty | Critical |
| MS Office Add-In | OTHER | ✓ bounty | Critical |
| proofit.com | URL | ✓ bounty | Critical |
| settings.superhuman.com | URL | ✓ bounty | Critical |
| Standard Scope | OTHER | ✓ bounty | Critical |
| subscription.grammarly.com | URL | ✓ bounty | Critical |
| Superhuman and all related assets | OTHER | ✓ bounty | Critical |
| Superhuman Go | OTHER | ✓ bounty | Critical |
| Superhuman Mail | OTHER | ✓ bounty | None |
| Superhuman Mail Chrome Extension | OTHER | ✓ bounty | Critical |
| Superhuman Mail Desktop App | OTHER | ✓ bounty | Critical |
| superhuman.com | URL | ✓ bounty | Critical |
| Tier 1 | OTHER | ✓ bounty | Critical |
| Tier 1 Assets | OTHER | ✓ bounty | Critical |
| tokens.grammarly.com | URL | ✓ bounty | Critical |
| www.grammarly.com | URL | ✓ bounty | Critical |
| *.cpgr.io | WILDCARD | out | None |
| *.ppgr.io | WILDCARD | out | None |
| *.qagr.io | WILDCARD | out | None |
| *.stgr.io | WILDCARD | out | None |
| All Other Assets | OTHER | out | None |
| anagram.grammarly.io | URL | out | None |
| beamlink.grammarly.com | URL | out | None |
| calendar.grammarly.com | URL | out | None |
| campaign.grammarly.com | URL | out | None |
| Desktop Editor | OTHER | out | None |
| email.grammarly.com | URL | out | None |
| Grammarly Editor for MacOS | DOWNLOADABLE EXECUTABLES | out | None |
| Grammarly Editor for Windows | DOWNLOADABLE EXECUTABLES | out | None |
| Grammarly for Developers Text Editor SDK | SOURCE CODE | out | None |
| Mobile Keyboards | OTHER | out | None |
| Other Native apps and clients | OTHER | out | None |
| Password and email policy | OTHER | out | None |
| r.superhuman.com | OTHER | out | None |
| send.grammarly.com | URL | out | None |
| status.coda.io | URL | out | None |
| status.grammarly.com | URL | out | None |
| support.grammarly.com | URL | out | None |
| tech.grammarly.com | URL | out | None |
| Third party external services | OTHER | out | None |
| Tier 2 | OTHER | out | None |
HackerOne lists 118 scope entries; its public listing groups many assets under one label, so identical entries are shown once.