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HackerOne’s own figures for this program, read from its public page, not reported by researchers and not part of the BugRater grade. Captured 4 Oct 2026.
What it pays, by severity
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
Over 44 days (23 snapshots): no change on the figures worth watching.
See how this programme’s report load compares to others →
Reviews
0 publishedNo reviews yet.
Who this program credits
50 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 | t3chn0phil3 | 49 | 7 / 9 78% |
| 2 | basant0x01 | 35 | 5 / 6 83% |
| 3 | harichella | 23 | 2 / 4 50% |
| 4 | rook1337 | 21 | 3 / 3 100% |
| 5 | logic-breaker | 14 | 2 / 2 100% |
| 5 | mr_f4k3 | 14 | 2 / 2 100% |
| 5 | palakmahipal | 14 | 2 / 3 67% |
| 5 | revengerali2o | 14 | 2 / 2 100% |
| 5 | swajyadip | 14 | 2 / 2 100% |
| 9 | bf9978300c8d5d7af429f7c | 7 | 1 / 1 100% |
| 10 | saisubu9999 | 12 | 1 / 1 100% |
| 10 | sheerwood | 12 | 1 / 1 100% |
| 10 | vaalici | 12 | 1 / 1 100% |
| 13 | ahmd_halabi | 9 | 2 / 2 100% |
| 14 | 0xgalal | 7 | 0 / 0 |
| 14 | 0xnoob | 7 | 1 / 1 100% |
| 14 | 1bdool492 | 7 | 1 / 1 100% |
| 14 | adarshkv | 7 | 1 / 1 100% |
| 14 | ahmedelmalky | 7 | 1 / 2 50% |
| 14 | b2g | 7 | 1 / 1 100% |
| 14 | buraaqsec | 7 | 1 / 1 100% |
| 14 | devilbugbounty | 7 | 0 / 0 |
| 14 | dslaga | 7 | 1 / 1 100% |
| 14 | hackwithabhishek2 | 7 | 1 / 1 100% |
| 14 | hoxar_46 | 7 | 1 / 1 100% |
Showing the top 25 of 50 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 1 Oct 2026.
Scope
10 assets| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| *.ct0.app | WILDCARD | submit only | Critical |
| api.courier.com | URL | submit only | Critical |
| api.trycourier.app | URL | submit only | Critical |
| docs.courier.com | URL | out | None |
| help.courier.com | URL | out | None |
Show all 10 assets
| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| status.courier.com | URL | out | None |
| updates.courier.com | URL | out | None |
| www.courier.com | URL | submit only | High |
| www.trycourier.app | URL | submit only | Critical |
| www.trycourier.com | URL | submit only | High |