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Bug bounty program

SL

Slack

Open on HackerOneAtlas
Platform
HackerOne
Bounties
Pays
Assets in scope
19
Disclosed reports
133
Subdomains
137,436
Vendor on CyberSIXT
Slack (3 CVEs, 0 exploited)

Most upvoted reports133

All reports
Most upvoted reports of Slack
ReportWeaknessDisclosedBountyVotes
Mass account takeovers using HTTP Request Smuggling on https://slackb.com/ to steal session cookiesAnalysed#737140Injection and Smuggling2020-03-12–870
Remote Code Execution in Slack desktop apps + bonusAnalysed#783877Command and Code Injection2020-08-28–509
XSS vulnerable parameter in a location hashAnalysed#146336Cross-site Scripting2019-10-16–455
URL link spoofingAnalysed#481472Input Validation and Logic2020-04-26$250362
TURN server allows TCP and UDP proxying to internal network, localhost and meta-data servicesAnalysed#333419Server-Side Request Forgery2020-03-12$3,500323
AWS bucket leading to iOS test build code and configuration exposureAnalysed#404822Information Disclosure2019-02-23$1,500321
Slack DTLS uses a private key that is in the public domain, which may lead to SRTP stream hijackAnalysed#531032Cryptography2020-03-12$2,000170
XSS in gist integrationAnalysed#11073Cross-site Scripting2019-04-28$500157
Unauthenticated LFI revealing log informationAnalysed#272578Information Disclosure2018-01-26–123
Stealing xoxs-tokens using weak postMessage / call-popup redirect to current team domainAnalysed#207170Misconfiguration and Insecure Design2017-02-28–120

Subdomains137,436

Root:slack.com
Scope
Name suggests:Monitoring
First seen
Text fileClear filters275 names
Subdomains of Slack
NameScopeFirst seen
24metrics.slack.commonitoringNot in the scope2026-11-14
amis-prometheus.slack.commonitoringNot in the scope2026-11-14
metrics.api.slack.comapi, monitoringNot in the scope2026-11-14
metrics.app.slack.commonitoringNot in the scope2026-11-14
status.dev.slack.comdev, monitoringNot in the scope2026-11-14
elk.slack.commonitoringNot in the scope2026-11-14
elk-stack-group.slack.commonitoringNot in the scope2026-11-14
grafana.slack.commonitoringNot in the scope2026-11-14
logging.slack.commonitoringNot in the scope2026-11-14
logs.slack.commonitoringNot in the scope2026-11-14
metrics.slack.commonitoringNot in the scope2026-11-14
micrometer-metrics.slack.commonitoringNot in the scope2026-11-14
monitor.slack.commonitoringNot in the scope2026-11-14
www.monitor.slack.commonitoringNot in the scope2026-11-14
monitor1.slack.commonitoringNot in the scope2026-11-14
monitor2.slack.commonitoringNot in the scope2026-11-14
monitor3.slack.commonitoringNot in the scope2026-11-14
monitoring.slack.commonitoringNot in the scope2026-11-14
www.monitoring.slack.commonitoringNot in the scope2026-11-14
monitoring2.slack.commonitoringNot in the scope2026-11-14
nagios.slack.commonitoringNot in the scope2026-11-14
nagios2.slack.commonitoringNot in the scope2026-11-14
prometheus.slack.commonitoringNot in the scope2026-11-14
reverse-slack-logs.slack.commonitoringNot in the scope2026-11-14
sentry.slack.commonitoringNot in the scope2026-11-14
splunk.slack.commonitoringNot in the scope2026-11-14
splunk-usergroups.slack.commonitoringNot in the scope2026-11-14
status.slack.commonitoringListed out of scope2026-11-14
status-im.slack.commonitoringNot in the scope2026-11-14
_cisco-uds.status.slack.commonitoringNot in the scope2026-11-14
_collab-edge.status.slack.commonitoringNot in the scope2026-11-14
_cuplogin.status.slack.commonitoringNot in the scope2026-11-14
_dmarc.status.slack.commonitoringNot in the scope2026-11-14
_etcd-server-ssl.status.slack.commonitoringNot in the scope2026-11-14
_mta-sts.status.slack.commonitoringNot in the scope2026-11-14
_tcp.status.slack.commonitoringNot in the scope2026-11-14
_cisco-uds._tcp.status.slack.commonitoringNot in the scope2026-11-14
_cuplogin._tcp.status.slack.commonitoringNot in the scope2026-11-14
_tls.status.slack.commonitoringNot in the scope2026-11-14
_collab-edge._tls.status.slack.commonitoringNot in the scope2026-11-14
a.status.slack.commonitoringNot in the scope2026-11-14
acapi.status.slack.commonitoringNot in the scope2026-11-14
admin.status.slack.comadmin, monitoringNot in the scope2026-11-14
akamai.status.slack.commonitoringNot in the scope2026-11-14
akamai-test.status.slack.commonitoring, testNot in the scope2026-11-14
akamai-test-origin.status.slack.commonitoring, testNot in the scope2026-11-14
api.status.slack.comapi, monitoringNot in the scope2026-11-14
app.status.slack.commonitoringNot in the scope2026-11-14
assets.status.slack.commonitoringNot in the scope2026-11-14
auth.status.slack.comauth, monitoringNot in the scope2026-11-14
autoconfig.status.slack.commonitoringNot in the scope2026-11-14
autodiscover.status.slack.commail, monitoringNot in the scope2026-11-14
awsdashboard.status.slack.commonitoringNot in the scope2026-11-14
b.status.slack.commonitoringNot in the scope2026-11-14
basic.status.slack.commonitoringNot in the scope2026-11-14
basic-nodejs-dev.status.slack.comdev, monitoringNot in the scope2026-11-14
bbs.status.slack.commonitoringNot in the scope2026-11-14
beta.status.slack.commonitoring, stagingNot in the scope2026-11-14
blog.status.slack.commonitoringNot in the scope2026-11-14
blogs.status.slack.commonitoringNot in the scope2026-11-14
builder.status.slack.commonitoringNot in the scope2026-11-14
c.status.slack.commonitoringNot in the scope2026-11-14
careers.status.slack.commonitoringNot in the scope2026-11-14
cdn.status.slack.commonitoringNot in the scope2026-11-14
cdq-api.status.slack.comapi, monitoringNot in the scope2026-11-14
cert.status.slack.commonitoringNot in the scope2026-11-14
certificate.status.slack.commonitoringNot in the scope2026-11-14
check.status.slack.commonitoringNot in the scope2026-11-14
cim-api.status.slack.comapi, monitoringNot in the scope2026-11-14
cim-api-dev.status.slack.comapi, dev, monitoringNot in the scope2026-11-14
cim-api-qa.status.slack.comapi, monitoring, testNot in the scope2026-11-14
cim-api-uat.status.slack.comapi, monitoring, testNot in the scope2026-11-14
cim-data-quality-qa.status.slack.commonitoring, testNot in the scope2026-11-14
cim-dev.status.slack.comdev, monitoringNot in the scope2026-11-14
cim-geo-dev.status.slack.comdev, monitoringNot in the scope2026-11-14
citrix.status.slack.commonitoring, vpnNot in the scope2026-11-14
click.status.slack.commonitoringNot in the scope2026-11-14
cloud.status.slack.commonitoringNot in the scope2026-11-14
cname.status.slack.commonitoringNot in the scope2026-11-14
code.status.slack.commonitoringNot in the scope2026-11-14
collab.status.slack.commonitoringNot in the scope2026-11-14
consul.status.slack.commonitoring, toolsNot in the scope2026-11-14
cp.status.slack.commonitoringNot in the scope2026-11-14
cpanel.status.slack.comadmin, monitoringNot in the scope2026-11-14
crm.status.slack.commonitoringNot in the scope2026-11-14
cveapi.status.slack.commonitoringNot in the scope2026-11-14
danieapp.status.slack.commonitoringNot in the scope2026-11-14
db.status.slack.comdata, monitoringNot in the scope2026-11-14
dc.status.slack.commonitoringNot in the scope2026-11-14
de.status.slack.commonitoringNot in the scope2026-11-14
demo.status.slack.commonitoring, testNot in the scope2026-11-14
dev.status.slack.comdev, monitoringNot in the scope2026-11-14
wildcard.dev.status.slack.comdev, monitoringNot in the scope2026-11-14
dnm.status.slack.commonitoringNot in the scope2026-11-14
dns.status.slack.commonitoringNot in the scope2026-11-14
dns1.status.slack.commonitoringNot in the scope2026-11-14
dns2.status.slack.commonitoringNot in the scope2026-11-14
docker.status.slack.commonitoring, toolsNot in the scope2026-11-14
dogfood-dev.status.slack.comdev, monitoringNot in the scope2026-11-14
download.status.slack.commonitoringNot in the scope2026-11-14

20,412 names are covered by the program's own scope; 7 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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