{"id":"CVE-2026-17434","summary":"nanocoai NanoClaw add_mcp_server request.ts handleAddMcpServer improper authorization","details":"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.","modified":"2026-08-12T03:51:35.918170061Z","published":"2026-07-26T03:00:16.981Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-266","CWE-285"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17434.json","unresolved_ranges":[{"extracted_events":[{"introduced":"2.0.0"},{"last_affected":"2.0.0"},{"introduced":"2.0.1"},{"last_affected":"2.0.1"},{"introduced":"2.0.2"},{"last_affected":"2.0.2"},{"introduced":"2.0.3"},{"last_affected":"2.0.3"},{"introduced":"2.0.4"},{"last_affected":"2.0.4"},{"introduced":"2.0.6"},{"last_affected":"2.0.6"},{"introduced":"2.0.7"},{"last_affected":"2.0.7"},{"introduced":"2.0.8"},{"last_affected":"2.0.8"},{"introduced":"2.0.9"},{"last_affected":"2.0.9"},{"introduced":"2.0.10"},{"last_affected":"2.0.10"},{"introduced":"2.0.11"},{"last_affected":"2.0.11"},{"introduced":"2.0.12"},{"last_affected":"2.0.12"},{"introduced":"2.0.13"},{"last_affected":"2.0.13"},{"introduced":"2.0.14"},{"last_affected":"2.0.14"},{"introduced":"2.0.15"},{"last_affected":"2.0.15"},{"introduced":"2.0.16"},{"last_affected":"2.0.16"},{"introduced":"2.0.17"},{"last_affected":"2.0.17"},{"introduced":"2.0.18"},{"last_affected":"2.0.18"},{"introduced":"2.0.19"},{"last_affected":"2.0.19"},{"introduced":"2.0.20"},{"last_affected":"2.0.20"},{"introduced":"2.0.21"},{"last_affected":"2.0.21"},{"introduced":"2.0.22"},{"last_affected":"2.0.22"},{"introduced":"2.0.23"},{"last_affected":"2.0.23"},{"introduced":"2.0.24"},{"last_affected":"2.0.24"},{"introduced":"2.0.25"},{"last_affected":"2.0.25"},{"introduced":"2.0.26"},{"last_affected":"2.0.26"},{"introduced":"2.0.27"},{"last_affected":"2.0.27"},{"introduced":"2.0.28"},{"last_affected":"2.0.28"},{"introduced":"2.0.29"},{"last_affected":"2.0.29"},{"introduced":"2.0.30"},{"last_affected":"2.0.30"},{"introduced":"2.0.31"},{"last_affected":"2.0.31"},{"introduced":"2.0.32"},{"last_affected":"2.0.32"},{"introduced":"2.0.33"},{"last_affected":"2.0.33"},{"introduced":"2.0.34"},{"last_affected":"2.0.34"},{"introduced":"2.0.35"},{"last_affected":"2.0.35"},{"introduced":"2.0.36"},{"last_affected":"2.0.36"},{"introduced":"2.0.37"},{"last_affected":"2.0.37"},{"introduced":"2.0.38"},{"last_affected":"2.0.38"},{"introduced":"2.0.39"},{"last_affected":"2.0.39"},{"introduced":"2.0.40"},{"last_affected":"2.0.40"},{"introduced":"2.0.41"},{"last_affected":"2.0.41"},{"introduced":"2.0.42"},{"last_affected":"2.0.42"},{"introduced":"2.0.43"},{"last_affected":"2.0.43"},{"introduced":"2.0.44"},{"last_affected":"2.0.44"},{"introduced":"2.0.45"},{"last_affected":"2.0.45"},{"introduced":"2.0.46"},{"last_affected":"2.0.46"},{"introduced":"2.0.47"},{"last_affected":"2.0.47"},{"introduced":"2.0.48"},{"last_affected":"2.0.48"},{"introduced":"2.0.49"},{"last_affected":"2.0.49"},{"introduced":"2.0.50"},{"last_affected":"2.0.50"},{"introduced":"2.0.51"},{"last_affected":"2.0.51"},{"introduced":"2.0.52"},{"last_affected":"2.0.52"},{"introduced":"2.0.53"},{"last_affected":"2.0.53"},{"introduced":"2.0.55"},{"last_affected":"2.0.55"},{"introduced":"2.0.56"},{"last_affected":"2.0.56"},{"introduced":"2.0.57"},{"last_affected":"2.0.57"},{"introduced":"2.0.58"},{"last_affected":"2.0.58"},{"introduced":"2.0.59"},{"last_affected":"2.0.59"},{"introduced":"2.0.60"},{"last_affected":"2.0.60"},{"introduced":"2.0.61"},{"last_affected":"2.0.61"},{"introduced":"2.0.62"},{"last_affected":"2.0.62"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://github.com/nanocoai/nanoclaw/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17434.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17434"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-17434"},{"type":"ADVISORY","url":"https://vuldb.com/submit/862451"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/383075"},{"type":"REPORT","url":"https://github.com/nanocoai/nanoclaw/issues/2762"},{"type":"REPORT","url":"https://vuldb.com/vuln/383075/cti"},{"type":"FIX","url":"https://github.com/nanocoai/nanoclaw/commit/e5b928783d5c485637565eb07d2967922dfbf8d8"},{"type":"FIX","url":"https://github.com/nanocoai/nanoclaw/pull/2998"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nanocoai/nanoclaw","events":[{"introduced":"a33b1ae8bb3467f98d1ddf4a6b77b6987a1be1ee"},{"fixed":"e5b928783d5c485637565eb07d2967922dfbf8d8"}],"database_specific":{"extracted_events":[{"introduced":"2.0.5"},{"last_affected":"2.0.5"},{"introduced":"2.0.54"},{"last_affected":"2.0.54"},{"introduced":"2.0.63"},{"last_affected":"2.0.63"},{"introduced":"2.0.64"},{"last_affected":"2.0.64"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["2.0.5","2.0.63","2.0.64","v2.1.17","v2.0.64","v2.0.63","v2.0.54"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-17434.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}