What was exposed, when it happened, and which databases confirm it.
- accounts
- 339,778
- Breached
- March 26, 2026
- Last Update
- March 27, 2026
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
In March 2026, a breach of one of the many iterations of the BreachForums hacking forum known as "Version 5" was publicly disclosed. The incident exposed 340k unique email addresses along with usernames and argon2 password hashes.
Compromised Info
- Email addresses
- Passwords
- Usernames
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- HIBP
FAQ
What was leaked in the BreachForumsV5 breach?
The BreachForumsV5 breach exposed: Email addresses, Passwords, and Usernames.
When did the BreachForumsV5 breach happen?
The BreachForumsV5 breach was disclosed on March 26, 2026 and affected 339,778 records.
Am I affected by the BreachForumsV5 breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the BreachForumsV5 leak.