Graubündner Kantonalbank
Bug bounty on Compass Security gkb.ch
- Top reward
- $6,036
- Top severity paid
- Critical
- Assets in scope
- 9
- Public CVEs
- 0
- Last change
- No changes yet
At a glance
What to know before you start testing.
- Pays up to $6,036
- for critical bugs, from $121.
- Report on Compass Security
- Submit through the program page.
Rewards
What Compass Security lists as the payout for each severity.
| Severity | Relative size | Reward |
|---|---|---|
| Critical |
|
$6,036 |
Reward range in US dollars. Compass Security's own page has the details.
Scope
9 assets you may test, 1 excluded.
Domains 6
- gioia.portal.gkb.ch
- hub.business-banking.gkb.ch
- makoshare.gkb.ch
- securemail.gkb.ch
- vpn2corp.gkb.ch
- www.gkb.ch
Android apps 1
- https://play.google.com/store/apps/details?id=com.gkb.mobilebanking.production.release&hl=de_CH
iOS apps 1
- https://apps.apple.com/ch/app/gkb-mobile-banking/id6504563552
Wildcard domains 1
- *.gkb.ch
Out of scope (1)
- onboarding.gkb.ch
Changes
Tracked since 12 Nov 2026. Last checked 40 minutes ago.
No changes yet. When the rewards or scope move, you will see it here and in the RSS feed.
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.