Vulnerability · Published Oct 14, 2025 · Assigned by VulnCheck

CVE-2025-34267Flowise Authenticated Command Execution and Sandbox Bypass via Puppeteer & Playwright Packages

High 8.4

In plain English

A high-severity command injection in Flowise from FlowiseAI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 6.9% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.4High
Exploit odds (30 days)6.9%top 5.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Flowise v3.0.1 < 3.0.8 and all versions after with 'ALLOW_BUILTIN_DEP' enabled contain an authenticated remote code execution vulnerability and node VM sandbox escape due to insecure use of integrated modules (Puppeteer and Playwright) within the nodevm execution environment. An authenticated attacker able to create or run a tool that leverages Puppeteer/Playwright can specify attacker-controlled browser binary paths and parameters. When the tool executes, the attacker-controlled executable/parameters are run on the host and circumvent the intended nodevm sandbox restrictions, resulting in execution of arbitrary code in the context of the host. This vulnerability was incorrectly assigned as a duplicate CVE-2025-26319 by the developers and should be considered distinct from that identifier.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmflowise3.0.8GHSA-r4hh-pcgx-j5r2

Affected products (as reported)

VendorProductVersions
FlowiseAI Flowise 3.0.1 – through 3.0.8

Weakness: CWE-77 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:L/SC:H/SI:H/SA:L

References