Flowise supply chain and prompt injection vulnerabilities
Two vulnerabilities in Flowise prior to version 3.1.3 allow arbitrary code execution: CVE-2026-69263 enables supply chain attacks via npm configuration variables during MCP server launch, and CVE-2026-70477 enables prompt injection attacks through CSV Agent nodes that bypass code validation. Both are fixed in version 3.1.3.
Disclosed 4 August 2026 · Record updated 13 September 2026
Impact
Arbitrary code execution in service account context through two separate attack vectors: environment variable manipulation and prompt injection in CSV Agent nodes.
Our coverage
No articles linked to this incident yet.
Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-69263
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-70477
