PT-2026-40101 · Dragonmonk111 · Junoclaw

Published 2026-05-12 · Updated 2026-05-12 · CVE-2026-43989

Mitre

CVSS v3.1

8.5

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

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.

Fix

Path traversal

Link Following

RCE

Weakness Enumeration

CWE-22

CWE-59

CWE-20

CWE-73

Related Identifiers

CVE-2026-43989

Affected Products

Junoclaw

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-43989 · Security Note
• https://github.com/Dragonmonk111/junoclaw/releases/tag/v0.x.y-security-1 · Note
• https://github.com/Dragonmonk111/junoclaw/commit/a7886cd · Note
• https://github.com/Dragonmonk111/junoclaw/security/advisories/GHSA-rw59-34hw-pmwp · Note