VulnerabilityDeferred
CVE-2026-17434
Executing a manipulation can lead to improper authorization.
LOW 2.1EPSS 0.23%
Does this matter?
Lower severity and a low EPSS score (0.23%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.1 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.23% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-266, CWE-285
- Source
- cna@vuldb.com
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.