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Bug bounty program

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

Subdomains of X / xAI
NameScopeFirst seen
channel-thumbnails-dev.pscp.tvdevNot in the scope2026-11-14
dev-api.pscp.tvapi, devNot in the scope2026-11-14
dev-api-ws.pscp.tvapi, devNot in the scope2026-11-14
dev-assets.pscp.tvdevNot in the scope2026-11-14
dev-audit-trail.pscp.tvdevNot in the scope2026-11-14
dev-channels-thumbnails.pscp.tvdevNot in the scope2026-11-14
dev-chatman-ancillary-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-chatman-replay-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-chatman-replay-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-email.pscp.tvdevNot in the scope2026-11-14
dev-embed.pscp.tvdevNot in the scope2026-11-14
dev-exp-video-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-exp-video-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-fleets.pscp.tvdevNot in the scope2026-11-14
dev-fleets-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-guest.pscp.tvdevNot in the scope2026-11-14
dev-guest-cf.pscp.tvdevNot in the scope2026-11-14
dev-hlspull.pscp.tvdevNot in the scope2026-11-14
dev-lex-us-east-1.pscp.tvdevNot in the scope2026-11-14
dev-masks.pscp.tvdevNot in the scope2026-11-14
dev-profile.pscp.tvdevNot in the scope2026-11-14
dev-proxsee.pscp.tvdevNot in the scope2026-11-14
dev-proxsee-cf.pscp.tvdevNot in the scope2026-11-14
dev-public-api-assets.pscp.tvapi, devNot in the scope2026-11-14
dev-safety.pscp.tvdevNot in the scope2026-11-14
dev-signer.pscp.tvdevNot in the scope2026-11-14
dev-signer-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-text-classification.pscp.tvdevNot in the scope2026-11-14
dev-thumbnail.pscp.tvdevNot in the scope2026-11-14
dev-tn.pscp.tvdevNot in the scope2026-11-14
dev-transcode-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-turn.pscp.tvdevNot in the scope2026-11-14
dev-turn-p2p.pscp.tvdevNot in the scope2026-11-14
dev-turn-p2p-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-turn-p2p-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-video-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-video-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-vidman-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-vidman-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev-web.pscp.tvdevNot in the scope2026-11-14
dev-web-eu-west-1.pscp.tvdevNot in the scope2026-11-14
dev-www.pscp.tvdevNot in the scope2026-11-14
tusman.us-west-2.dev.pscp.tvdevNot in the scope2026-11-14
ec-dev-video-eu-west-1.pscp.tvdevNot in the scope2026-11-14
ec-dev-video-us-west-2.pscp.tvdevNot in the scope2026-11-14
gw-dev-hydra-eu-west-1.pscp.tvdevNot in the scope2026-11-14
gw-dev-hydra-us-west-2.pscp.tvdevNot in the scope2026-11-14
dev.twimg.comdevIn scope2026-11-14
p-dev.twimg.comdevIn scope2026-11-14
cdn-dev.api.twitter.comapi, devIn scope2026-11-14
ml-devel-storage.g.atla.twitter.comdevIn scope2026-11-14
tweetdeck-devel.atla.twitter.comdevIn scope2026-11-14
blog-dev.twitter.comdevIn scope2026-11-14
cards-dev.twitter.comdevIn scope2026-11-14
preview-dev.cdn.twitter.comdev, stagingIn scope2026-11-14
dev.twitter.comdevIn scope2026-11-14
www.dev.twitter.comdevIn scope2026-11-14
smfd-akc-08-sr1.devel.twitter.comdevIn scope2026-11-14
develop-er.twitter.comdevIn scope2026-11-14
horizon-dev.twitter.comdev, vpnIn scope2026-11-14
lite-dev.twitter.comdevIn scope2026-11-14
local.twitter.comdevIn scope2026-11-14
artifactory.local.twitter.comdev, toolsIn scope2026-11-14
artifactory-ci.local.twitter.comci, dev, toolsIn scope2026-11-14
artifactory-ci-krb.local.twitter.comci, dev, toolsIn scope2026-11-14
artifactory-krb.local.twitter.comdev, toolsIn scope2026-11-14
artifactory-staging.local.twitter.comdev, staging, toolsIn scope2026-11-14
artifactory-staging-krb.local.twitter.comdev, staging, toolsIn scope2026-11-14
docker-local.artifactory.local.twitter.comdev, toolsIn scope2026-11-14
docker-public.artifactory.local.twitter.comdev, toolsIn scope2026-11-14
docker-releases-local.artifactory.local.twitter.comdev, toolsIn scope2026-11-14
docker-virtual.artifactory.local.twitter.comdev, toolsIn scope2026-11-14
audubon.local.twitter.comdevIn scope2026-11-14
auth.local.twitter.comauth, devIn scope2026-11-14
auth-staging.local.twitter.comauth, dev, stagingIn scope2026-11-14
baremetal-console.local.twitter.comadmin, devIn scope2026-11-14
baremetal-tenancy-broker.local.twitter.comdevIn scope2026-11-14
binaries.local.twitter.comdevIn scope2026-11-14
bootserv.local.twitter.comdevIn scope2026-11-14
cgit.local.twitter.comdevIn scope2026-11-14
configbus.local.twitter.comdevIn scope2026-11-14
confluence.local.twitter.comdev, toolsIn scope2026-11-14
dnsmgr.local.twitter.comdevIn scope2026-11-14
gems.local.twitter.comdevIn scope2026-11-14
git.local.twitter.comdev, gitIn scope2026-11-14
gitaprimary.local.twitter.comdevIn scope2026-11-14
gitaprimary-basic.local.twitter.comdevIn scope2026-11-14
gitaprimarybasic.local.twitter.comdevIn scope2026-11-14
gitareplica.local.twitter.comdevIn scope2026-11-14
gitasecondary.local.twitter.comdevIn scope2026-11-14
gitbprimary.local.twitter.comdevIn scope2026-11-14
gitbprimary-basic.local.twitter.comdevIn scope2026-11-14
gitbreplica.local.twitter.comdevIn scope2026-11-14
gitbsecondary.local.twitter.comdevIn scope2026-11-14
gitcprimary.local.twitter.comdevIn scope2026-11-14
gitcprimary-basic.local.twitter.comdevIn scope2026-11-14
gitcreplica.local.twitter.comdevIn scope2026-11-14
gitcsecondary.local.twitter.comdevIn scope2026-11-14
gitfprimary.local.twitter.comdevIn scope2026-11-14
gitfprimary-basic.local.twitter.comdevIn 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 2026-11-14.