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Bug bounty program

XX

X / xAI

Open on HackerOneAtlas
Platform
HackerOne
Bounties
Pays
Assets in scope
23
Disclosed reports
248
Subdomains
10,596

Most upvoted reports248

All reports
Most upvoted reports of X / xAI
ReportWeaknessDisclosedBountyVotes
Potential pre-auth RCE on Twitter VPNAnalysed#591295Command and Code Injection2019-08-10$20,1601,246
Bypassing Digits origin validation which leads to account takeoverAnalysed#129873Authentication2020-06-24–619
CRLF injectionAnalysed#446271No weakness recorded2019-12-25–439
Read-only application can publish/delete fleetsAnalysed#1032468Access Control2021-01-04–398
Blind XSS on Twitter's internal Big Data panel at █████████████Analysed#1207040Cross-site Scripting2021-07-09–357
Private list members disclosure via GraphQLAnalysed#885539Access Control2020-08-04–346
[Urgent] Invalidating OAuth2 Bearer token makes TweetDeck unavailableAnalysed#210779Denial of Service2019-04-25–323
Bypass Password Authentication for updating email and phone number - Security VulnerabilityAnalysed#770504Authentication2020-02-08–288
Insufficient OAuth callback validation which leads to Periscope account takeoverAnalysed#110293Authentication2019-04-10–277
Insufficient validation on Digits bridgeAnalysed#168116Authentication2020-08-20–263

Subdomains10,596

Root
Scope
Name suggests
First seen
Text file10,596 names
Subdomains of X / xAI
NameScopeFirst seen
api-39-4-10-39-4-8.twitter.comapiIn scope2026-11-14
api-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-2-39-0-0.twitter.comapiIn scope2026-11-14
api-39-4-2-39-4-10.twitter.comapiIn scope2026-11-14
api-39-4-2-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-2-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-2-39-4-9.twitter.comapiIn scope2026-11-14
api-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-3-39-4-10.twitter.comapiIn scope2026-11-14
api-39-4-3-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-3-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-3-39-4-8.twitter.comapiIn scope2026-11-14
api-39-4-3-39-4-9.twitter.comapiIn scope2026-11-14
api-39-4-5.twitter.comapiIn scope2026-11-14
api-39-4-5-39-0-0.twitter.comapiIn scope2026-11-14
api-39-4-5-39-4-10.twitter.comapiIn scope2026-11-14
api-39-4-5-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-5-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-5-39-4-5.twitter.comapiIn scope2026-11-14
api-39-4-5-39-4-9.twitter.comapiIn scope2026-11-14
api-39-4-8.twitter.comapiIn scope2026-11-14
api-39-4-8-39-0-0.twitter.comapiIn scope2026-11-14
api-39-4-8-39-4-10.twitter.comapiIn scope2026-11-14
api-39-4-8-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-8-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-8-39-4-5.twitter.comapiIn scope2026-11-14
api-39-4-8-39-4-9.twitter.comapiIn scope2026-11-14
api-39-4-9.twitter.comapiIn scope2026-11-14
api-39-4-9-39-0-0.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-10.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-2.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-3.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-5.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-8.twitter.comapiIn scope2026-11-14
api-39-4-9-39-4-9.twitter.comapiIn scope2026-11-14
api-40-0-0.twitter.comapiIn scope2026-11-14
api-41-0-0.twitter.comapiIn scope2026-11-14
api-42-0-0.twitter.comapiIn scope2026-11-14
api-43-0-0.twitter.comapiIn scope2026-11-14
api-44-0-0.twitter.comapiIn scope2026-11-14
api-45-0-0.twitter.comapiIn scope2026-11-14
api-46-0-0.twitter.comapiIn scope2026-11-14
api-47-0-0.twitter.comapiIn scope2026-11-14
api-c.twitter.comapiIn scope2026-11-14
api-o.twitter.comapiIn scope2026-11-14
api-settings.twitter.comapiIn scope2026-11-14
api-stream.twitter.comapiIn scope2026-11-14
api-test.twitter.comapi, testIn scope2026-11-14
bbbb.api.twitter.comapiIn scope2026-11-14
cdn.api.twitter.comapiIn scope2026-11-14
cdn-dev.api.twitter.comapi, devIn scope2026-11-14
www.cdn.api.twitter.comapiIn scope2026-11-14
dn.api.twitter.comapiIn scope2026-11-14
failover-cdn.api.twitter.comapiIn scope2026-11-14
failover-urls.api.twitter.comapiIn scope2026-11-14
foo.api.twitter.comapiIn scope2026-11-14
geo5.api.twitter.comapiIn scope2026-11-14
georna.api.twitter.comapiIn scope2026-11-14
stage.api.twitter.comapi, stagingIn scope2026-11-14
urls.api.twitter.comapiIn scope2026-11-14
urls-cache2.api.twitter.comapiIn scope2026-11-14
urls-real.api.twitter.comapiIn scope2026-11-14
urlsreal.api.twitter.comapiIn scope2026-11-14
www.api.twitter.comapiIn scope2026-11-14
api1-backup.twitter.comapi, dataIn scope2026-11-14
api1backup.twitter.comapi, dataIn scope2026-11-14
api2.twitter.comapiIn scope2026-11-14
api3-backup.twitter.comapi, dataIn scope2026-11-14
api3backup.twitter.comapi, dataIn scope2026-11-14
api4.twitter.comapiIn scope2026-11-14
apic.twitter.comIn scope2026-11-14
apipic.twitter.comIn scope2026-11-14
apispic.twitter.comIn scope2026-11-14
apistatus.twitter.comIn scope2026-11-14
apiu.twitter.comIn scope2026-11-14
apiwiki.twitter.comIn scope2026-11-14
apknolepic.twitter.comIn scope2026-11-14
app.twitter.comIn scope2026-11-14
app4englandpic.twitter.comIn scope2026-11-14
appallbzscpic.twitter.comIn scope2026-11-14
appblockchainpic.twitter.comIn scope2026-11-14
appdynamicspic.twitter.comIn scope2026-11-14
appertpic.twitter.comIn scope2026-11-14
appic.twitter.comIn scope2026-11-14
appkettlevisionpic.twitter.comIn scope2026-11-14
apple.twitter.comIn scope2026-11-14
appleevent.twitter.comIn scope2026-11-14
appleiphone8pic.twitter.comIn scope2026-11-14
applepanpic.twitter.comIn scope2026-11-14
applepaypic.twitter.comIn scope2026-11-14
applepic.twitter.comIn scope2026-11-14
applicationpic.twitter.comIn scope2026-11-14
appliedaicompic.twitter.comIn scope2026-11-14
appliespic.twitter.comIn scope2026-11-14
applpic.twitter.comIn scope2026-11-14
apppic.twitter.comIn scope2026-11-14
appreciationpic.twitter.comIn scope2026-11-14
apprenticeshippic.twitter.comIn scope2026-11-14
apprenticeshipspic.twitter.comIn scope2026-11-14
apprenticespic.twitter.comIn scope2026-11-14

10,296 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 2026-11-15.

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Updated