{"id":"CVE-2026-43992","summary":"JunoClaw: MCP write tools exposed raw BIP-39 mnemonic as a tool-call parameter","details":"JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, every MCP write tool (send_tokens, execute_contract, instantiate_contract, upload_wasm, ibc_transfer, etc.) accepted 'mnemonic: string' as an explicit tool-call parameter. The BIP-39 seed was consequently embedded in the LLM tool-call JSON, exposing it to any transport, log, or telemetry surface in the path between the LLM provider and the MCP process. This vulnerability is fixed in 0.x.y-security-1.","aliases":["GHSA-j75q-8xvm-6c48"],"modified":"2026-08-07T11:50:45.652580026Z","published":"2026-05-12T16:25:30.868Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43992.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-200","CWE-312","CWE-522","CWE-532"]},"references":[{"type":"WEB","url":"https://github.com/Dragonmonk111/junoclaw/releases/tag/v0.x.y-security-1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43992.json"},{"type":"ADVISORY","url":"https://github.com/Dragonmonk111/junoclaw/security/advisories/GHSA-j75q-8xvm-6c48"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43992"},{"type":"FIX","url":"https://github.com/Dragonmonk111/junoclaw/commit/339701e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dragonmonk111/junoclaw","events":[{"introduced":"0"},{"fixed":"339701e"},{"fixed":"6b56230bd3cdf3cad2fdc6a3e2172131d59d1551"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"v0.x.y-security-1"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43992.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}