CVE-2026-43989— JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Dragonmonk111 | junoclaw | < v0.x.y-security-1 | affected |
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I. Basic Information for CVE-2026-43989
Vulnerability Information
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Vulnerability Title
JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation
Source: NVD (National Vulnerability Database)
Vulnerability Description
JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, the upload_wasm MCP tool accepted a filesystem path from the agent and uploaded whatever bytes the path resolved to, with no validation of location, symlink target, file size, or file format. This vulnerability is fixed in 0.x.y-security-1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
JunoClaw 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JunoClaw是Dragonmonk111个人开发者的一个基于区块链的去中心化AI代理平台。 JunoClaw 0.x.y-security-1之前版本存在输入验证错误漏洞，该漏洞源于upload_wasm MCP工具接受代理提供的文件系统路径且未验证位置、符号链接目标、文件大小或格式，可能导致任意文件上传。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Dragonmonk111 | junoclaw | < v0.x.y-security-1 | - |
II. Public POCs for CVE-2026-43989
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8038 chars
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III. Intelligence Information for CVE-2026-43989
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- https://github.com/Dragonmonk111/junoclaw/commit/a7886cdx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-43989
Same Patch Batch · Dragonmonk111 · 2026-05-12 · 5 CVEs total
| CVE-2026-43992 | 9.8 CRITICAL | JunoClaw: MCP write tools exposed raw BIP-39 mnemonic as a tool-call parameter |
| CVE-2026-43991 | 8.4 HIGH | JunoClaw: plugin-shell shell-injection bypass via substring blocklist |
| CVE-2026-43990 | 8.4 HIGH | JunoClaw: plugin-shell shell-metacharacter injection via shell wrapper |
| CVE-2026-43993 | 8.2 HIGH | JunoClaw: SSRF in WAVS computeDataVerify allows cloud-metadata and internal-service access |
IV. Related Vulnerabilities
Same product: junoclaw
Same vendor: Dragonmonk111
V. Comments for CVE-2026-43989
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