CVE-2026-17434
MEDIUM
6.3
CVSS 3.1
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.
Metadata
Severity & Metrics
6.3
MEDIUM CVSS 3.1
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
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| nanocoai | NanoClaw | — | 2.0.0, 2.0.1, 2.0.2, 2.0.3 … |
Weakness (CWE)
CVSS scores (4)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 6.5 | N/D | 2.0 | cna | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| 6.3 | MEDIUM | 3.1 | 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 |
| 6.3 | MEDIUM | 3.0 | cna | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| 5.3 | MEDIUM | 4.0 | cna | 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 |
References (8)
- VDB-383075 | nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization https://vuldb.com/vuln/383075
- VDB-383075 | CTI Indicators (IOB, IOC, TTP, IOA) https://vuldb.com/vuln/383075/cti
- CVE-2026-17434 | CVE Analysis and Report https://vuldb.com/cve/CVE-2026-17434
- Submit #862451 | NanoCoAI NanoClaw 2.0.64 Improper Authorization (CWE-285) https://vuldb.com/submit/862451
- https://github.com/nanocoai/nanoclaw/issues/2762
- https://github.com/nanocoai/nanoclaw/pull/2998
- https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922dfbf8d8
- https://github.com/nanocoai/nanoclaw/