CVE-2026-56693 PUBLISHED

NanoClaw < 2.1.17 - Privilege Escalation via Unauthorized create_agent System Action

Assigner: VulnCheck
Reserved: 22.06.2026 Published: 23.06.2026 Updated: 23.06.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.8

Product Status

Vendor nanocoai
Product nanoclaw
Versions Default: unaffected
  • affected from 0 to 2.1.17 (excl.)
  • Version 2.1.17 is unaffected

Credits

  • Chia Min Jun Lennon finder

References

Problem Types

  • Client-Side Enforcement of Server-Side Security CWE