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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
Scope
Name suggests:Source code
First seen
Text fileClear filters250 names
Subdomains of Slack
NameScopeFirst seen
2019-ncov-hackathon.git.slack.comgitNot in the scope2026-11-14
covid.git.slack.comgitNot in the scope2026-11-14
covid-atlas.git.slack.comgitNot in the scope2026-11-14
covid-solutions-com.git.slack.comgitNot in the scope2026-11-14
covid19-task-force.git.slack.comgitNot in the scope2026-11-14
covid19-ventfinder.git.slack.comgitNot in the scope2026-11-14
covid19data.git.slack.comgitNot in the scope2026-11-14
covid19peoplehelp.git.slack.comgitNot in the scope2026-11-14
covidhack-workspace.git.slack.comgitNot in the scope2026-11-14
covidsolutions.git.slack.comgitNot in the scope2026-11-14
covidvu.git.slack.comgitNot in the scope2026-11-14
covidzero.git.slack.comgitNot in the scope2026-11-14
endcoronaviru-mcd1821.git.slack.comgitNot in the scope2026-11-14
hackathoncovid19.git.slack.comgitNot in the scope2026-11-14
jogl-covid-19.git.slack.comgitNot in the scope2026-11-14
makervsvirus.git.slack.comgitNot in the scope2026-11-14
opencoverui.git.slack.comgitNot in the scope2026-11-14
peese-covid.git.slack.comgitNot in the scope2026-11-14
ucd-covid19.git.slack.comgitNot in the scope2026-11-14
git1k.slack.comgitNot in the scope2026-11-14
git1kclub.slack.comgitNot in the scope2026-11-14
gitea.slack.comgitNot in the scope2026-11-14
github.slack.comgitNot in the scope2026-11-14
github-2019-ncov-hackathon.slack.comgitNot in the scope2026-11-14
github-codevscovid19.slack.comgitNot in the scope2026-11-14
github-covid-19list.slack.comgitNot in the scope2026-11-14
github-covid-19volunteersuk.slack.comgitNot in the scope2026-11-14
github-covid19cybert-qvl7792.slack.comgitNot in the scope2026-11-14
github-covid19cz.slack.comgitNot in the scope2026-11-14
github-covidvu.slack.comgitNot in the scope2026-11-14
github-covidzero.slack.comgitNot in the scope2026-11-14
github-endcoronaviru-mcd1821.slack.comgitNot in the scope2026-11-14
github-euvsvirus.slack.comgitNot in the scope2026-11-14
github-gentilsvirus.slack.comgitNot in the scope2026-11-14
github-globalcovidhackathon.slack.comgitNot in the scope2026-11-14
github-hackathoncovid19.slack.comgitNot in the scope2026-11-14
github-hackcovid19.slack.comgitNot in the scope2026-11-14
github-helpdesk.slack.comgitNot in the scope2026-11-14
github-mbruhackcovid19.slack.comgitNot in the scope2026-11-14
github-opencover.slack.comgitNot in the scope2026-11-14
github-tech4covid19.slack.comgitNot in the scope2026-11-14
github-ucd-covid19.slack.comgitNot in the scope2026-11-14
github-updater.slack.comgitNot in the scope2026-11-14
2019-ncov-hackathon.github.slack.comgitNot in the scope2026-11-14
covid.github.slack.comgitNot in the scope2026-11-14
covid-19list.github.slack.comgitNot in the scope2026-11-14
covid-19volunteersuk.github.slack.comgitNot in the scope2026-11-14
covid19-task-force.github.slack.comgitNot in the scope2026-11-14
covid19data.github.slack.comgitNot in the scope2026-11-14
covidsolutions.github.slack.comgitNot in the scope2026-11-14
covidzero.github.slack.comgitNot in the scope2026-11-14
dataagainstcovid-19.github.slack.comgitNot in the scope2026-11-14
endcoronaviru-mcd1821.github.slack.comgitNot in the scope2026-11-14
globalcovidhackathon.github.slack.comgitNot in the scope2026-11-14
jogl-covid-19.github.slack.comgitNot in the scope2026-11-14
makervsvirus.github.slack.comgitNot in the scope2026-11-14
open-covid19.github.slack.comgitNot in the scope2026-11-14
opencoverui.github.slack.comgitNot in the scope2026-11-14
rheumcovid-19registry.github.slack.comgit, toolsNot in the scope2026-11-14
tech4covid19.github.slack.comgitNot in the scope2026-11-14
ucd-covid19.github.slack.comgitNot in the scope2026-11-14
gitlab.slack.comgitNot in the scope2026-11-14
gitlab-jp.slack.comgitNot in the scope2026-11-14
gitlab-kr.slack.comgitNot in the scope2026-11-14
globalcovidhackathon-github.slack.comgitNot in the scope2026-11-14
globalcovidhackathon-repo.slack.comgitNot in the scope2026-11-14
git.globalcovidhackathon.slack.comgitNot in the scope2026-11-14
github.globalcovidhackathon.slack.comgitNot in the scope2026-11-14
repo.globalcovidhackathon.slack.comgitNot in the scope2026-11-14
repo.hackathoncovid19.slack.comgitNot in the scope2026-11-14
hackathoncovid19git.slack.comgitNot in the scope2026-11-14
hackathoncovid19github.slack.comgitNot in the scope2026-11-14
hackathoncovid19repo.slack.comgitNot in the scope2026-11-14
hackcovid19-git.slack.comgitNot in the scope2026-11-14
hackcovid19-repo.slack.comgitNot in the scope2026-11-14
git.hackcovid19.slack.comgitNot in the scope2026-11-14
hackcovid19git.slack.comgitNot in the scope2026-11-14
jogl-covid-19-github.slack.comgitNot in the scope2026-11-14
jogl-covid-19-repo.slack.comgitNot in the scope2026-11-14
git.jogl-covid-19.slack.comgitNot in the scope2026-11-14
github.makersforcovid-19.slack.comgitNot in the scope2026-11-14
makersforcovid-19github.slack.comgitNot in the scope2026-11-14
makervsvirus-git.slack.comgitNot in the scope2026-11-14
makervsvirus-github.slack.comgitNot in the scope2026-11-14
makervsvirus-repo.slack.comgitNot in the scope2026-11-14
github.mbruhackcovid19.slack.comgitNot in the scope2026-11-14
open-covid19-github.slack.comgitNot in the scope2026-11-14
repo.open-covid19.slack.comgitNot in the scope2026-11-14
open-covid19github.slack.comgitNot in the scope2026-11-14
open-covid19repo.slack.comgitNot in the scope2026-11-14
git.opencover.slack.comgitNot in the scope2026-11-14
github.opencover.slack.comgitNot in the scope2026-11-14
repo.opencover.slack.comgitNot in the scope2026-11-14
git.opencoverui.slack.comgitNot in the scope2026-11-14
peese-covid-git.slack.comgitNot in the scope2026-11-14
peese-covid-github.slack.comgitNot in the scope2026-11-14
github.peese-covid.slack.comgitNot in the scope2026-11-14
repo.slack.comgitNot in the scope2026-11-14
repo-covid-atlas.slack.comgitNot in the scope2026-11-14
repo-covid19-ventfinder.slack.comgitNot 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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