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CVE-2026-56694— NanoClaw < 2.1.0 - Privilege Escalation via Forged Channel Approval Callback

Quick assessment

Affected
nanocoai nanoclaw
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

NanoCo NanoClaw是NanoCo组织的一个轻量级个人AI代理平台。 NanoCo NanoClaw 2.1.0之前版本存在授权问题漏洞，该漏洞源于channel-registration approval流中handleChannelApprovalResponse未验证管理员对目标agent组的权限，可能导致作用域内管理员提交伪造或过时的connect回调值，将消息通道连接到作用域外的agent组，从而暴露未经授权的组到未批准的通道，并允许对受限制的agent组活动进行未授权的观察或控制。

CVSS 5.4 · Medium EPSS 0.29% · P20

Affected Version Matrix 2

VendorProduct Version RangeStatus
nanocoai nanoclaw < 2.1.0 affected
2.1.0 unaffected
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I. Basic Information for CVE-2026-56694

Vulnerability Information
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Vulnerability Title
NanoClaw < 2.1.0 - Privilege Escalation via Forged Channel Approval Callback
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
NanoCo NanoClaw 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NanoCo NanoClaw是NanoCo组织的一个轻量级个人AI代理平台。 NanoCo NanoClaw 2.1.0之前版本存在授权问题漏洞，该漏洞源于channel-registration approval流中handleChannelApprovalResponse未验证管理员对目标agent组的权限，可能导致作用域内管理员提交伪造或过时的connect回调值，将消息通道连接到作用域外的agent组，从而暴露未经授权的组到未批准的通道，并允许对受限制的agent组活动进行未授权的观察或控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nanocoai nanoclaw 0 ~ 2.1.0 -

II. Public POCs for CVE-2026-56694

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III. Intelligence Information for CVE-2026-56694

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Patches & Fixes for CVE-2026-56694 (2)

Vendor Advisories for CVE-2026-56694 (1)

Same Patch Batch · nanocoai · 2026-06-23 · 4 CVEs total

CVE-2026-56402 6.5 MEDIUM NanoClaw < 2.1.17 - Privilege Escalation via Unverified Approval Response Handler
CVE-2026-56693 5.5 MEDIUM NanoClaw < 2.1.17 - Privilege Escalation via Unauthorized create_agent System Action
CVE-2026-56692 5.5 MEDIUM NanoClaw < 2.1.17 - Arbitrary File Read via Symlink Following in forwardAttachedFiles

IV. Related Vulnerabilities

Same product: nanoclaw
Same vendor: nanocoai
Same weakness: CWE-863

V. Comments for CVE-2026-56694

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