CVE-2025-48481: Freescout

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.180, an attacker with an unactivated email invitation containing invite_hash, can exploit this vulnerability to self-activate their account, despite it being blocked or deleted, by leveraging the invitation link from the email to gain initial access to the account. This issue has been patched in version 1.8.180.

Affected products

• Freescout Freescout: before 1.8.180 (fixed in 1.8.180)

Published 2025-05-30. Last modified 2026-06-17.