CVE-2026-43991 PUBLISHED

JunoClaw: plugin-shell shell-injection bypass via substring blocklist

Assigner: GitHub_M
Reserved: 04.05.2026 Published: 12.05.2026 Updated: 12.05.2026

JunoClaw is an agentic AI platform built on Juno Network. Prior to 0.x.y-security-1, substring-based blocklist in plugin-shell's command-safety check could be bypassed by adversarial argument constructions, allowing unauthorized command execution on the host when combined with the companion advisory. Pre-patch, the check was applied to the raw command string rather than the parsed first token. This vulnerability is fixed in 0.x.y-security-1.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.4

Product Status

Vendor Dragonmonk111
Product junoclaw
Versions
  • Version < v0.x.y-security-1 is affected

References

Problem Types

  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE
  • CWE-184: Incomplete List of Disallowed Inputs CWE