High 8.5Published May 12, 2026

CVE-2026-43989JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation

Updated under an hour ago (Oct 27, 2026, 8:23 AM ET)

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It affects Dragonmonk111 junoclaw. Add what you run to find out whether that includes you.

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Every CVE for Dragonmonk111 junoclaw

Exploited in the last 30 days

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: 8.5 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Weakness (CWE): CWE-20, CWE-22, CWE-59, CWE-73
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: May 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Dragonmonk111 junoclaw dragonmonk111:junoclaw (from the name)	before 0.x.y-security-1	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.