CVE-2026-73602

Flowise before 3.1.3 Sandbox Escape to RCE

State
Published
Severity
9.0 Critical
Published
Aug 13, 2026
Updated
Aug 13, 2026
Reserved
Aug 13, 2026

Read the record on cve.org

Description

Flowise before 3.1.3 contains a sandbox escape vulnerability in the vm2 JavaScript sandbox that allows authenticated users to execute arbitrary code by exploiting moment locale validation bypass. Attackers can craft a fake String object with a match function that bypasses path traversal checks to load and execute malicious JavaScript files stored in the document store outside the sandbox.

Scores

CVSSScoreVectorSource
4.09.0 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HVulnCheck

Weaknesses

  • CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Affected Products

ProductVersions
FlowiseFlowiseAI
  • before 3.1.3Affected
  • 3.1.3Not affected

References

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