What’s Vulnerable › Vulnerabilities

CVE-2026-56693: NanoClaw < 2.1.17 - Privilege Escalation via Unauthorized create_agent System Action

• Severity: medium (CVSS 5.5 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: 2026-06-23 · updated 2026-10-26
• Weakness: CWE-602

Description

NanoClaw before 2.1.17 contains a privilege escalation vulnerability in the create_agent delivery-action handler that performs privileged central-database writes without host-side authorization checks. Confined agent containers can invoke create_agent to create arbitrary agent groups, container configurations, and destinations, escalating beyond their intended confinement boundary.

Affected products

• nanocoai NanoClaw: before 2.1.17 — fixed in 2.1.17

How to fix

Upgrade to a fixed version: nanocoai NanoClaw 2.1.17. Check the vendor advisory for mitigations.

References

• https://github.com/nanocoai/nanoclaw/commit/ac37ecbfd6b9d14fdfa1598a6412a8ffdbeaef45
• https://github.com/nanocoai/nanoclaw/pull/2720
• https://www.vulncheck.com/advisories/nanoclaw-privilege-escalation-via-unauthorized-create-agent-system-action

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