Langflow Code Injection Vulnerability

Langflow Langflow

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication. Added to CISA KEV on 2026-03-25 (federal deadline 2026-04-08).

First seen: 25 Mar 2026
Last update: 25 Mar 2026, 12:00 UTC
Identifiers: CVE-2026-33017
Source: CISA KEV
On the menu as: LLM gateways

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Langflow Code Injection Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: Langflow Langflow
Ids: CVE-2026-33017

Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication. Added to CISA KEV on 2026-03-25 (federal deadline 2026-04-08).

## Steps
1. This incident involves a provider (ai-gateways). Search config, CI and env templates (.env.example, wrangler.toml, vercel.json, terraform, workflow secrets) for credentials stored there. List each secret by name, where it is used, and how to rotate it. Never print secret values.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-33017") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://github.com/langflow-ai/langflow/security/advisories/GHSA-vwmf-pq79-vjvx https://nvd.nist.gov/vuln/detail/CVE-2026-33017
https://pwned.coffee/i/langflow-code-injection-vulnerability-cve-2026-33017

Sources

Totalone hot coffee