CVE-2022-39292: Exposure of sensitive Slack webhook URLs in debug logs and traces

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-10 · updated 2026-06-17
Weakness: CWE-1258

Description

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

abdolence slack-morphism-rust: through 1.3.0

References

https://github.com/abdolence/slack-morphism-rust/releases/tag/v1.3.2
https://github.com/abdolence/slack-morphism-rust/security/advisories/GHSA-4mjx-2gh5-ph8h
https://github.com/abdolence/slack-morphism-rust/releases/tag/v1.3.2
https://github.com/abdolence/slack-morphism-rust/security/advisories/GHSA-4mjx-2gh5-ph8h

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