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Bug bounty program

Platform
HackerOne
Bounties
Pays
Assets in scope
26
Disclosed reports
16
Subdomains
1,259
Vendor on CyberSIXT
Vercel (80 CVEs, 0 exploited)

Most upvoted reports16

All reports
Most upvoted reports of Vercel
ReportWeaknessDisclosedBountyVotes
Revoked deployment collaborator regains access to private comments after active collaborator interaction#3852102Input Validation and Logic2026-10-29$1,02655
Open redirect vuln on login#608031Open Redirect––45
through %09 Character the attacker is able to steal Github Token [ Account Takeover ]#763058Open Redirect––44
Gitlab Oauth Misconfiguration Lead To Account Takeover#541701No weakness recorded––39
Open Redirect on Gitllab Oauth leading to Acount Takeover#677617Open Redirect––34
CSRF On Connect Account With Github Lead To Account Takeover#542047Cross-Site Request Forgery––29
Stored XSS on Zeit.co user profile#541737Cross-site Scripting––21
Stored Cross-site scripting#541710Cross-site Scripting––13
User personal data disclosure via API#630235Information Disclosure––12
[Fix Bypass #541631] Open redirect on Signup#541948Open Redirect––9

Subdomains1,259

Subdomains of Vercel
NameScopeFirst seen
dcs.now.systemsNot in the scope2026-11-14
ghes-test.now.systemstestNot in the scope2026-11-14
api.internal.gru1.now.systemsapi, internalNot in the scope2026-11-14
api.iad1.now.systemsapiNot in the scope2026-11-14
api.internal.iad1.now.systemsapi, internalNot in the scope2026-11-14
api.sfo1.now.systemsapiNot in the scope2026-11-14
api.internal.sfo1.now.systemsapi, internalNot in the scope2026-11-14

378 names are covered by the program's own scope; 0 were first seen this week. Names come from ProjectDiscovery's public Chaos dataset (passive sources: certificate logs, DNS and other public data), matched to the program by its listing and its own domain scope. A name being in a dataset is not permission to test it: only what the program's own scope says is in scope, and its policy decides. CyberSIXT does not resolve, probe or scan these names. Tags come from the name alone. Source: ProjectDiscovery Chaos. Subdomains on the Atlas, or search the subdomains of every program.

A name in a dataset is not permission to test it: the program's own scope and rules decide. Data as of 2026-11-14.

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