CVE-2026-43989

May 13, 2026, 2:54 p.m.

8.5
High

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.

Product(s) Impacted

Vendor Product Versions
Juno Network
  • Juno Claw
  • <0.x.y-security-1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a juno_network juno_claw <0.x.y-security-1 / / / / / / /

References

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

Tags

CWE-20
[email protected]
2026-05-12
CVE-2026-43989

CVSS Score

8.5 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: CHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: HIGH
  • Availability Impact: LOW

    • CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

    View Vector String

Timeline

Published: May 12, 2026, 5:16 p.m.
Last Modified: May 13, 2026, 2:54 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.