Cross-agent cron execution via unchecked agent binding
Published Jul 18, 2026 · Updated Jul 18, 2026
Missing authorization in GoClaw 3.13.0 through 3.13.2 allows remote authenticated users to bind cron jobs to private agents. ToolsInvokeHandler.ServeHTTP resolves an attacker-controlled agentId and places its UUID in execution context without calling CanAccess; the cron tool then persists that UUID. Operator-level access is required, and the scheduler later executes the stored job under the foreign agent's configuration, tools, and context.
Summary
What happened
Missing authorization in GoClaw 3.13.0 through 3.13.2 allows remote authenticated users to bind cron jobs to private agents. ToolsInvokeHandler.ServeHTTP resolves an attacker-controlled agentId and places its UUID in execution context without calling CanAccess; the cron tool then persists that UUID. Operator-level access is required, and the scheduler later executes the stored job under the foreign agent's configuration, tools, and context.
The record
- CVE
- CVE-2026-16123
- Published
- Jul 18, 2026
- Updated
- Jul 18, 2026
- Vendor
- Next Level Builders
- Product
- GoClaw
- Classifications
- CWE-862, T1053.003
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 18, 2026CVE publishedPublication date reported by the CVE source.
- Jul 18, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.13.0
- Affected versionversion=3.13.1
- Affected versionversion=3.13.2
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- gist-verification.py cross-agent cron binding PoCproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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