CVE-2026-43989

HIGH EPSS 4.3%
Published May 12, 20261mo ago · Modified Jun 17, 20262w ago
8.5 CVSS 3.1
High
Find Similar
Published May 12, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.5
Exploitability
1.8
Impact
6.0
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability Low

Threat Intelligence

EPSS Exploit Probability
4.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 4

CWE-20 Improper Input Validation Validation
CWE-22 Path Traversal Resource Mgmt
CWE-59
CWE-73

References 3

  • github.com https://github.com/Dragonmonk111/junoclaw/commit/a7886cd
  • github.com https://github.com/Dragonmonk111/junoclaw/releases/tag/v0.x.y-security-1
  • github.com https://github.com/Dragonmonk111/junoclaw/security/advisories/GHSA-rw59-34hw-pmwp

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.