CVE-2026-17434

medium

Description

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.

References

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

https://vuldb.com/vuln/383075

https://vuldb.com/submit/862451

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2026-07-26

Updated: 2026-07-26

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: 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

Severity: Medium