Slack · disclosed reports
Access Control
10 disclosed reports · $1,100 paid
Every dot is a report; the named ones are the most upvoted. Bright dots were paid a bounty. Reports open on HackerOne.
Open Slack on HackerOne- reports
- 10
- paid a bounty
- 6
Every one of the 10 is a mark on the map. Named now: 1 to 10, most upvoted first.
- Access of Android protected components via embedded intent
- Misuse of groups feature allows workspace members to join private channels without being invited
- Cross-site leak allows attacker to de-anonymize members of his team from another origin
- CSV export/import functionality allows administrators to modify member and message content of a workspace
- Creating Post on a restricted channel
- User can start call in a channel of an unpaid account
- File upload over private IM channel
- Team admin can add billing contacts
- Team admin can change unauthorized team setting (allow_message_deletion)
- Team admin can change unauthorized team setting (require_at_for_mention)
paid a bounty
Zoom in on the map and the dots under the middle of it are named where they are.
Data as of 2026-11-14. CVE List through 2026-11-14 · EPSS of 2026-11-13 · CISA KEV checked 2026-11-14. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.