CVE-2022-31162: Slack Morphism for Rust before 0.41.0 can accidentally leak Slack OAuth client information in application debug logs

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: 2022-07-22 · updated 2026-06-17
Weakness: CWE-200

Description

Slack Morphism is an async client library for Rust. Prior to 0.41.0, it was possible for Slack OAuth client information to leak in application debug logs. Stricter and more secure debug formatting was introduced in v0.41.0 for OAuth secret types to reduce the possibility of printing sensitive information in application logs. As a workaround, do not print/output requests and responses for OAuth and client configurations in logs.

Affected products

abdolence slack-morphism-rust: before 0.41.0 — fixed in 0.41.0

How to fix

Upgrade to a fixed version: abdolence slack-morphism-rust 0.41.0. Check the vendor advisory for mitigations.

References

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