CVE-2022-39292: Slack Morphism Project Slack Morphism

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Slack Morphism is a modern client library for Slack Web/Events API/Socket Mode and Block Kit. Debug logs expose sensitive URLs for Slack webhooks that contain private information. The problem is fixed in version 1.3.2 which redacts sensitive URLs for webhooks. As a workaround, people who use Slack webhooks may disable or filter debug logs.

Affected products

• Slack Morphism Project Slack Morphism: up to and including 1.3.0

Published 2022-10-10. Last modified 2026-06-17.