PT-2026-51532 · Nanocoai · Nanoclaw

Chia Min Jun Lennon · Published 2026-06-23 · Updated 2026-06-23 · CVE-2026-56694

NVD

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

NanoClaw before 2.1.0 contains a privilege escalation vulnerability in the channel-registration approval flow where handleChannelApprovalResponse fails to validate admin privileges over target agent groups. Scoped admins can submit forged or stale connect callback values to wire messaging channels into out-of-scope agent groups, exposing unauthorized groups to unapproved channels and enabling unauthorized observation or control of restricted agent group activity.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-56694

Affected Products

Nanoclaw

References · 4

• https://github.com/nanocoai/nanoclaw/commit/0eef8fafdd7c475ab5fd8d37ea566a81e74cd834 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-56694 · Security Note
• https://github.com/nanocoai/nanoclaw/pull/2566 · Note
• https://vulncheck.com/advisories/nanoclaw-privilege-escalation-via-forged-channel-approval-callback · Note