CVE-2026-73486: Improper Control of Generation of Code

Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's customReadCSV parameter that allows authenticated attackers to execute arbitrary Python code. The validator uses a static regex blocklist that can be bypassed through obfuscation techniques, enabling attackers to...

CVE-2026-73487: Improper Control of Generation of Code

Flowise before 3.1.3 contains a regex-based Python code validator bypass in CSV and Airtable Agent nodes that allows unauthenticated attackers to inject malicious code via prompt injection. Attackers can exploit unblocked pandas functions like pd.readjson to exfiltrate datasets, perform SSRF...

PT-2026-67830

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.3 Description An unauthenticated remote attacker can execute arbitrary code in the context of the service account or the user running the server. The issue occurs when a chatflow uses a CSV Agent node, where the r...

CVE-2026-70477: Improper Control of Generation of Code

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, a prompt injection sent to a chatflow using a CSV Agent node can cause the LLM to respond with a malicious Python script that bypasses the blocklist validator and executes in an unsandboxed...

PT-2026-34236

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.0 Description A flaw exists in the run method of the CSV Agents class due to improper sandboxing when evaluating Python scripts generated by a Large Language Model LLM. An unauthenticated attacker can use prompt...

CVE-2026-27966: Improper Control of Generation of Code

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.8.0, the CSV Agent node in Langflow hardcodes allowdangerouscode=True, which automatically exposes LangChain’s Python REPL tool pythonreplast. As a result, an attacker can execute arbitrary Python an...