ZDI-26-634: Flowise CSV Agent Prompt Injection Remote Code Execution Vulnerability

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Sep 9, 2026 · Catalog

   Detected

   This vulnerability allows remote attackers to execute arbitrary code on affected installations of Flowise. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.8. The following CVEs are assigned: CVE-2026-70477.

Sources

• CVE.orgVulnerability recordCVE-2026-70477

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-70477

  30-day exploitation probability 0.8%

  first.org
• Zero Day InitiativeCoordinated disclosureZDI-26-634

  This vulnerability allows remote attackers to execute arbitrary code on affected installations of Flowise. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 9.8. The following CVEs are assigned: CVE-2026-70477.

  zerodayinitiative.com