CVE-2026-100575: OpenClaw Slack before 2026.8.1 Authentication Bypass via Group DM

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-26 · updated 2026-10-08
Weakness: CWE-862

Description

OpenClaw Slack versions before 2026.8.1 fail to properly enforce sender allowlists in multi-person direct messages. Disallowed participants can trigger Slack agents and access tools and data granted to those agents by bypassing configured sender policies.

Affected products

openclaw slack: before 2026.8.1 — fixed in 2026.8.1

How to fix

Upgrade to a fixed version: openclaw slack 2026.8.1. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-58qx-6m8p-wh2j
https://www.vulncheck.com/advisories/openclaw-slack-before-2026.8.1-authentication-bypass-via-group-dm

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