CVE-2026-56402

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nanocoai/nanoclaw/commit/6227bd1a5b016fb1eb76411bb6681b4c924a51a0
https://github.com/nanocoai/nanoclaw/pull/2478
https://www.vulncheck.com/advisories/nanoclaw-privilege-escalation-via-unverified-approval-response-handler
https://github.com/nanocoai/nanoclaw/pull/2478

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-23 16:17

Updated : 2026-09-17 18:16

NVD link : CVE-2026-56402

Mitre link : CVE-2026-56402

CVE.ORG link : CVE-2026-56402

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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