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CVE-2026-43989highCWE-20CWE-22CWE-59CWE-73

JunoClaw: upload_wasm accepted arbitrary filesystem paths without validation

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.5epss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
Affected products
Dragonmonk111 · junoclaw