{"id":78361,"date":"2026-05-12T20:46:21","date_gmt":"2026-05-12T17:16:21","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-43992-junoclaw-mcp-write-tools-exposed-raw-bip-39-mnemonic-as-a-tool-call-parameter\/"},"modified":"2026-05-12T20:46:21","modified_gmt":"2026-05-12T17:16:21","slug":"cve-2026-43992-junoclaw-mcp-write-tools-exposed-raw-bip-39-mnemonic-as-a-tool-call-parameter","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-43992-junoclaw-mcp-write-tools-exposed-raw-bip-39-mnemonic-as-a-tool-call-parameter\/","title":{"rendered":"CVE-2026-43992 &#8211; JunoClaw: MCP write tools exposed raw BIP-39 mnemonic as a tool-call parameter"},"content":{"rendered":"<p>CVE ID :CVE-2026-43992<\/p>\n<p>  Published : May 12, 2026, 5:16 p.m. | 41\u00a0minutes ago<\/p>\n<p>  Description :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 &#8216;mnemonic: string&#8217; 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.<\/p>\n<p>  Severity: 9.8 | CRITICAL<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-43992 Published : May 12, 2026, 5:16 p.m. | 41\u00a0minutes ago Description :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 &#8216;mnemonic: string&#8217; as an explicit tool-call parameter. The BIP-39 seed was consequently embedded in the LLM tool-call &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-78361","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=78361"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/78361\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=78361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=78361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=78361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}