Medium 6.3Published Jul 25, 2026

CVE-2026-17434nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization

Updated under an hour ago (Oct 26, 2026, 10:40 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for nanocoai NanoClaw

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-285, CWE-266
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nanocoai NanoClaw nanocoai:nanoclaw	2.0.0; 2.0.1; 2.0.2; 2.0.3; 2.0.4; 2.0.5; 2.0.6; 2.0.7; and 57 more ranges	CNA record

References

References

https://vuldb.com/vuln/383075	vdb-entry, technical-description
https://vuldb.com/vuln/383075/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-17434	third-party-advisory
https://vuldb.com/submit/862451	third-party-advisory
https://github.com/nanocoai/nanoclaw/issues/2762	exploit, issue-tracking
https://github.com/nanocoai/nanoclaw/pull/2998	issue-tracking, patch
https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922dfbf8d8	patch
https://github.com/nanocoai/nanoclaw/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.