What is CVE-2026-100575?

CVE-2026-100575 is a high-severity vulnerability in Openclaw Slack, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-09-26.

How severe is CVE-2026-100575?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Openclaw Slack

CVE-2026-100575

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.

Vulnerability class: Broken Access Control

Published 2026-09-26.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Openclaw Slack

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/openclaw/openclaw/security/advisories/GHSA-58qx-6m8p-wh2j (vendor-advisory)
www.vulncheck.com/advisories/openclaw-slack-before-2026.8.1-authentication-bypa… (third-party-advisory)

Frequently asked questions

What is CVE-2026-100575?: CVE-2026-100575 is a high-severity vulnerability in Openclaw Slack, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-09-26.
How severe is CVE-2026-100575?: High severity. CVSS v3 base score is 8.8 out of 10.