CVE-2026-17434

mediumCVSS 6.3covered by 1 sourcefirst seen 2026-07-26

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.

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Exploitation outlook

Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all EPSS-scored CVEs.

Advisory coverage (1)

mediumCVE-2026-17434: A flaw has been found in nanocoai NanoClaw up to 2.0.64. Affected is the function handleAddMcp…nvd · 2026-07-26

External references

NVD record for CVE-2026-17434

CVE.org record

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