CVE-2026-43989

JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation

Published May 12, 2026 CVSS 3.1 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Dragonmonk111
Dragonmonk111 junoclaw
Vendors & Products Dragonmonk111
Dragonmonk111 junoclaw
Type Values Removed Values Added
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.
Title JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation
Weaknesses CWE-20
CWE-22
CWE-59
CWE-73
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
May 14, 2026, 7:21 PM
Reserved
May 4, 2026, 8:24 PM
Status
Deferred
Published
May 12, 2026, 5:16 PM
Modified
Oct 26, 2026, 6:10 PM