CVE-2026-8629 Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endpoints

High 8.6 Published Updated

Users with visibility-only access can escalate privileges to obtain agent tickets and impersonate trusted bridges, potentially executing code.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-8629?

CVE-2026-8629 is a high-severity vulnerability in openclaw crabbox, published on 14 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Crabbox prior to v0.12.0 contains a privilege escalation vulnerability that allows users with shared visibility-only access to obtain Code, WebVNC, and Egress agent tickets by sending POST requests to ticket endpoints. Attackers can exploit insufficient access control checks on the /v1/leases/:id/code/ticket, /v1/leases/:id/webvnc/ticket, and /v1/leases/:id/egress/ticket endpoints to obtain bridge-agent tickets and impersonate trusted lease-side bridges despite having only visibility permissions.

Weakness: CWE-639

Which versions are affected by CVE-2026-8629?

How do I fix CVE-2026-8629?

No fix has been published for CVE-2026-8629 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-8629 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8629 exists.

Sources

Also known as GHSA-23m9-rr4p-xpwh.

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