Tucows (VDP)
By Tucows Vulnerability disclosure program on HackerOne tucows.com
- Top reward
- No cash rewards
- Top severity paid
- Critical
- Assets in scope
- 11
- Public CVEs
- 0
- Last change
At a glance
What to know before you start testing.
- No cash rewards
- A disclosure program: you report for credit, not money.
- Report on HackerOne
- Submit through the program page.
- Full safe harbor
- Good-faith research is authorised; no legal action.
Rewards
What HackerOne lists as the payout for each severity.
This program does not pay cash rewards.
- Safe harbor
-
Full
If you follow this policy in good faith, we consider your security research authorized and will not take legal action.
Summarised with AI from the program policy on HackerOne, read 12 Nov 2026, and checked word for word against it. Read the original
Scope
11 assets you may test, 6 excluded.
Wildcard domains 10
- *.ascio.com Critical No bounty
- *.enom.com Critical No bounty
- *.exacthosting.com Critical No bounty
- *.hover.com Critical No bounty
- *.opensrs.com Critical No bounty
- *.simplybits.com Critical No bounty
- *.ting.com Critical No bounty
- *.tingmobile.com Critical No bounty
- *.tucowsdomains.com Critical No bounty
- *.wavelo.com Critical No bounty
Web 1
- https://www.tucows.com Critical No bounty
Out of scope (6)
- Third Party Credential Listing
- Third Party Support Sites
- github.com/tucows
- partners.wavelo.com
- *.partners.wavelo.com
- *.tucows.com
Rules
What the policy asks of you, and the bug types it won't reward, quoted from Tucows (VDP) (via HackerOne)'s policy.
Not accepted
-
subdomain takeovers
-
directory listings
-
wordpress installs
-
publicly accessible software archives
-
credentials harvested via malware, phishing, or third-party breaches
Summarised with AI from the program policy on HackerOne, read 12 Nov 2026, and checked word for word against it. Read the original
Changes
Tracked since 11 Nov 2026. Last checked 6 minutes ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
Before we tracked it
Scope and reward changes recorded before this page started tracking it.
-
Scope added
github.com/tucows (out of scope)
-
Scope added
*.partners.wavelo.com (out of scope)
-
Scope added
partners.wavelo.com (out of scope)
-
Scope added
*.tucows.com (out of scope)
-
Scope added
Third Party Credential Listing (out of scope)
-
Scope added
Third Party Support Sites (out of scope)
-
Scope added
*.ascio.com
-
Scope added
*.enom.com
-
Scope added
*.exacthosting.com
-
Scope added
*.hover.com
-
Scope added
*.opensrs.com
-
Scope added
*.simplybits.com
-
Scope added
*.ting.com
-
Scope added
*.tingmobile.com
-
Scope added
*.tucowsdomains.com
-
Scope added
*.wavelo.com
-
Scope added
https://www.tucows.com
Public CVEs
Published vulnerabilities in this vendor's products, from the NVD.
No CVEs matched yet. We match NVD records by vendor name, so products sold under another name can be missing.
Original policy
Copied from hackerone.com on 12 Nov 2026. The summaries on this page are made from it; the live page may have changed since.
Introduction
Welcome to the Tucows Vulnerability Disclosure Program!
At Tucows we take security seriously. If you believe that you have found a security vulnerability in any of the systems in scope, please report it to us using the "Submit Report" button on this page.
Tucows appreciates your participation in this program and looks forward to your findings.
Disclosure Policy
Please follow HackerOne's Vulnerability Disclosure Guidelines
Unqualified Issues
Please refer to the Core Ineligible Findings for a list of reports we do not accept.
Subdomains under tucows.com (*.tucows.com)
At this point we do not accept reports for subdomains under tucows.com (*.tucows.com). This includes but is not limited to subdomain takeovers, directory listings, wordpress installs, publicly accessible software archives.
Support websites
We do not take reports for our support sites. These websites are hosted by a third party:
- support.ascio.com
- support.hover.com
- support.opensrs.com
- support.enom.com
- support.exacthosting.com
Please redirect reports for these sites to the H1 program for the vendor at https://hackerone.com/freshworks
InfoStealer, Third-party breaches, Malware Stealer Credentials
Reports involving credentials harvested via malware, phishing, or third-party breaches are out of scope and not eligible for reward. While these findings are not in scope for this program, we take credential leaks and data exposure seriously. If you do discover such information, please share it with us as informational— it helps inform our internal monitoring and remediation processes.
Safe Harbour
Tucows supports a transparent, respectful, and collaborative approach to vulnerability disclosure. If you follow this policy in good faith, we consider your security research authorized and will not take legal action.
Thank you for helping keep Tucows and our users safe!