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Medium · 6.5 CVE-2026-56402 EUVD-2026-38463GHSA-mhq9-hcw8-22mj

NanoClaw < 2.1.17 - Privilege Escalation via Unverified Approval Response Handler

Published Jun 23, 2026 · Updated Sep 17, 2026 · Assigned by VulnCheck

Description

NanoClaw before 2.1.17 contains a privilege escalation vulnerability in the handleApprovalsResponse function that fails to verify responder role authorization. Attackers with a valid questionId can approve or reject privileged actions like package installation by submitting approval response payloads without proper role validation.

Affected products

VendorProductAffectedFixed
nanocoai nanoclaw < 2.1.17 2.1.17

References