A flaw has been found in nanocoai NanoClaw up to 2.0.64. Affected is the function handleAddMcpServer of the file src/modules/self-mod/request.ts of the component add_mcp_server. Executing a manipulation can lead to improper authorization.
The attack may be launched remotely. The exploit has been published and may be used. This patch is called e5b928783d5c485637565eb07d2967922dfbf8d8.
A patch should be applied to remediate this issue.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
nanocoai:nanoclaw
References 8
https://github.com/nanocoai/nanoclaw/
cna@vuldb.com
https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922df…
cna@vuldb.com
https://github.com/nanocoai/nanoclaw/issues/2762
cna@vuldb.com
https://github.com/nanocoai/nanoclaw/pull/2998
cna@vuldb.com
https://vuldb.com/cve/CVE-2026-17434
cna@vuldb.com
https://vuldb.com/submit/862451
cna@vuldb.com
https://vuldb.com/vuln/383075
cna@vuldb.com
https://vuldb.com/vuln/383075/cti
cna@vuldb.com