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.

AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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

(AV:N/AC:L/Au:S/C:P/I:P/A:P)

CWE-266

CWE-285

https://github.com/nanocoai/nanoclaw/

https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922dfbf8d8

https://github.com/nanocoai/nanoclaw/issues/2762

https://github.com/nanocoai/nanoclaw/pull/2998

https://vuldb.com/cve/CVE-2026-17434

https://vuldb.com/submit/862451

https://vuldb.com/vuln/383075

https://vuldb.com/vuln/383075/cti

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