CVE-2026-43989

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Dragonmonk111junoclaw< v0.x.y-security-1affected

Weaknesses

  • CWE-20: CWE-20: Improper Input Validation
  • CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-59: CWE-59: Improper Link Resolution Before File Access ('Link Following')
  • CWE-73: CWE-73: External Control of File Name or Path

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References