CVE-2026-41278: Flowise Public Endpoints Expose Plaintext API Keys

# CVE-2026-41278: Flowise Public Endpoints Expose Plaintext API Keys

https://gcdradar.vercel.app/incidents/cve-2026-41278-flowise-public-endpoints-expose-plaintext-api · AIR-2026-0590 · closed 2026-04-17

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-17
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-41278
- CVSS: 8.7

## Summary

Flowise public chatflow endpoints exposed unsanitized data including plaintext API keys and credential IDs. Attackers could remotely access sensitive configuration credentials.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-23: CVE-2026-41278: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-41278)
- 2026-04-17: CVE-2026-41278: Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs (https://github.com/advisories/GHSA-w47f-j8rh-wx87)

## Sources

- 2026-04-17 GitHub Advisory Database: CVE-2026-41278: Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs https://github.com/advisories/GHSA-w47f-j8rh-wx87
- 2026-04-23 NVD: CVE-2026-41278: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-41278

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.