CVE-2026-100557 OpenClaw before 2026.8.1 Authorization Bypass via Skill Tool Dispatch
Non-owner senders can bypass authorization checks to access owner-only tools and server credentials in OpenClaw.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-100557?
CVE-2026-100557 is a high-severity missing authorization vulnerability in OpenClaw, published on 26 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OpenClaw versions before 2026.8.1 contain an authorization bypass vulnerability in skill tool dispatch that fails to carry the sender's owner status. Non-owner senders authorized to invoke skill commands can access owner-only tools and server credentials reserved for owners.
Weakness: CWE-863
Which versions are affected by CVE-2026-100557?
How do I fix CVE-2026-100557?
Upgrade to a fixed version.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-100557 being exploited?
There is no known exploitation of CVE-2026-100557 in the wild and no public exploit code.
Sources
Also known as GHSA-7cp7-87pj-p32v, GHSA-8j8h-vv2f-mp26, MINI-f2gm-8xp5-f92c.