CVE-2026-43989
HIGHJunoClaw: upload_wasm accepted arbitrary filesystem paths without validation
Title source: cnaDescription
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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/Dragonmonk111/junoclaw/security/advisories/GHSA-rw59-34hw-pmwp
X_Refsource_Misc x_refsource_misc
https://github.com/Dragonmonk111/junoclaw/commit/a7886cd
X_Refsource_Misc x_refsource_misc
https://github.com/Dragonmonk111/junoclaw/releases/tag/v0.x.y-security-1
Scores
CVSS v3
8.5
EPSS
0.0015
EPSS Percentile
4.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
CWE-22
CWE-59
CWE-73
Status
published
Products (1)
Dragonmonk111/junoclaw
< v0.x.y-security-1
Published
May 12, 2026
Tracked Since
May 12, 2026