CVE-2026-17434mediumCWE-266CWE-285

CVE-2026-17434: medium-severity vulnerability in nanocoai NanoClaw

nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 0.4%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
nanocoai · NanoClaw
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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