CVE-2026-100566: OpenClaw LINE before 2026.8.1 Access Control Inheritance

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% 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-863

Description

OpenClaw LINE versions before 2026.8.1 contain an access control vulnerability where group allowlist mode silently inherits DM allowFrom values when groupAllowFrom is not explicitly configured. Attackers with group participation can trigger the agent despite configured group allowlist restrictions when DM access is broader than intended group access.

Affected products

openclaw line: before 2026.8.1 — fixed in 2026.8.1

How to fix

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

References

https://github.com/openclaw/openclaw/security/advisories/GHSA-fgwg-c3wv-8f45
https://www.vulncheck.com/advisories/openclaw-line-before-2026.8.1-access-control-inheritance

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