8x8, Inc. disclosed a cybersecurity incident involving unauthorized access to its Salesforce CRM system via a third-party integration with Klue Labs, Inc. The threat actor exploited the integration to exfiltrate customer contact information and contract details between June 11 and 12, 2026. 8x8 discovered the breach on June 13, 2026, disabled the integration, and is implementing additional security measures. The incident is not expected to have a material financial impact.