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@zerofox
Rank 09VerifiedIvan P. · Poland · Joined Jun 2025
API researcher focused on broken object-level authorization and everything GraphQL forgot to check.
APIGraphQLAccess control
Reputation
5,195
Valid findings
81
Critical
9
Acceptance
100%
Programs
11
Bounty earned
$98,300
Achievements
First Blood ×4
First valid report on a program.
API & GraphQL Specialist
Verified skill badge in api & graphql.
Severity breakdown
Critical9
High27
Medium30
Low15
Notable findings
| Severity | Finding | Program | Bounty |
|---|---|---|---|
| Medium | Control-plane token cached in logs | Solstice | $1,880 |
Activity timeline
RecentlyResolved a medium finding on Solstice — awarded $1,880.
EarlierReached Rank 09 on the all-time leaderboard.
Jun 2025Joined datacoconut.