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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 4 Oct 2026.
What it pays, by severity
$39,500 paid to researchers in total. 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
Over 45 days (94 snapshots): no change on the figures worth watching.
See how this programme’s report load compares to others →
Source: HackerOne Hacktivity (public disclosures) Program: https://hackerone.com/owncloud Disclosed reports analyzed: 94 Bounties: $425 avg, $2,000 range, $4,250 total (10 paid) --- Aggregated from publicly disclosed HackerOne reports. Ratings derived from triage timing and bounty data.
Researchers 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 | real | 228 | 4 / 4 100% |
| 2 | adiivascu | 141 | 3 / 4 75% |
| 3 | madrobot | 117 | 17 / 17 100% |
| 4 | unknownsh | 103 | 4 / 5 80% |
| 5 | rtod | 98 | 4 / 5 80% |
| 5 | securityteacher | 98 | 4 / 8 50% |
| 7 | vultza | 96 | 3 / 4 75% |
| 8 | lordjerry0x01 | 94 | 8 / 11 73% |
| 9 | strukt | 91 | 13 / 15 87% |
| 10 | foobar7 | 89 | 2 / 4 50% |
| 11 | peru | 84 | 2 / 5 40% |
| 12 | hanno | 83 | 4 / 5 80% |
| 13 | ishahriyar | 75 | 5 / 25 20% |
| 14 | sheikhrishad0 | 69 | 2 / 6 33% |
| 15 | gamhody_ | 66 | 3 / 4 75% |
| 16 | villagelad | 62 | 6 / 14 43% |
| 17 | ashesh | 60 | 11 / 18 61% |
| 18 | chm | 59 | 2 / 4 50% |
| 19 | cx75fa | 57 | 1 / 1 100% |
| 19 | kolokokop | 57 | 1 / 1 100% |
| 19 | madbitch | 57 | 1 / 1 100% |
| 19 | rotanislas | 57 | 1 / 1 100% |
| 19 | rullzer | 57 | 1 / 3 33% |
| 19 | shell_c0de | 57 | 1 / 2 50% |
| 19 | tunn3l | 57 | 1 / 1 100% |
Showing the top 25 of 243 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.
ownCloud GmbH is the company behind the ownCloud Project - the most downloaded open source project for data and file sync, share and view.
| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| com.owncloud.android | GOOGLE PLAY APP ID | ✓ bounty | Medium |
| Desktop Client | DOWNLOADABLE EXECUTABLES | ✓ bounty | Critical |
| https://github.com/owncloud/ocis | SOURCE CODE | ✓ bounty | Critical |
| marketplace.owncloud.com | URL | ✓ bounty | Critical |
| owncloud.iosapp | APPLE STORE APP ID | ✓ bounty | Medium |
| Asset | Type | Eligibility | Max severity |
|---|---|---|---|
| owncloud/activity | SOURCE CODE | ✓ bounty | Critical |
| owncloud/contacts | SOURCE CODE | ✓ bounty | Medium |
| owncloud/core | SOURCE CODE | ✓ bounty | Critical |
| owncloud/customgroups | SOURCE CODE | ✓ bounty | Critical |
| owncloud/files | SOURCE CODE | ✓ bounty | Critical |
| owncloud/gallery | SOURCE CODE | ✓ bounty | Critical |
| owncloud/guests | SOURCE CODE | ✓ bounty | Critical |
| owncloud/notifications | SOURCE CODE | ✓ bounty | Critical |
| owncloud/oauth2 | SOURCE CODE | ✓ bounty | Critical |
| owncloud/richdocuments | SOURCE CODE | ✓ bounty | Critical |
| owncloud/tasks | SOURCE CODE | ✓ bounty | Medium |
| owncloud/updater | SOURCE CODE | ✓ bounty | Critical |
| owncloud/user_ldap | SOURCE CODE | ✓ bounty | Critical |
| *.owncloud.com | WILDCARD | out | None |
| *.owncloud.org | WILDCARD | out | None |
| apps.owncloud.com | URL | out | None |
| marketplace.testing.owncloud.com | URL | submit only | Medium |
| www.owncloud.com | URL | out | None |
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