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archive/Patch now/AIR-2026-0715
closedclosed 20 May 2026Patch now2 Disclosed vulnerabilityAI

CVE-2026-56268: Flowise cross-workspace chatflow information disclosure

Flowise

An endpoint flaw in Flowise returns unprotected chatflows across all workspaces when queried with a valid API key. This leaks sensitive system prompts and configurations between isolated tenants.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

CVSS
7.7
EPSS
<0.01 · top 67% · 2026-11-13
EPSS scores by FIRST
fix status
Fix status unknown
first report
20 May 2026
last update
22 Jun 2026
CVE ids
CVE-2026-56268other records

Timeline · 2

  1. 20 May 2026CVE-2026-56268: Flowise: Cross-Workspace Chatflow Disclosure via chatflows/apikey Endpoint Returns All Unprotected Chatflows
  2. 22 Jun 2026CVE-2026-56268: Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint.

Sources · 2

Advisories and databases

  1. 2026-05-20
    CVE-2026-56268: Flowise: Cross-Workspace Chatflow Disclosure via chatflows/apikey Endpoint Returns All Unprotected Chatflows
    GitHub Advisory Database · github.com/advisories/GHSA-c2c9-mfw7-p8hw
  2. 2026-06-22
    CVE-2026-56268: Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint.
    NVD · nvd.nist.gov/vuln/detail/CVE-2026-56268

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerabilityData leak
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM02:2025 Sensitive Information DisclosureLLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
flowiseinfo-disclosure
dates
happened 20 May 2026 · first reported 20 May 2026
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# CVE-2026-56268: Flowise cross-workspace chatflow information disclosure

https://gcdradar.vercel.app/incidents/cve-2026-56268-flowise-cross-workspace-chatflow-information · AIR-2026-0715 · closed 2026-05-20

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-05-20
- AI role: Attack on AI
- Products: Flowise
- CVE ids: CVE-2026-56268
- CVSS: 7.7

## Summary

An endpoint flaw in Flowise returns unprotected chatflows across all workspaces when queried with a valid API key. This leaks sensitive system prompts and configurations between isolated tenants.

## What to do

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

## Latest updates

- 2026-06-22: CVE-2026-56268: Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint. (https://nvd.nist.gov/vuln/detail/CVE-2026-56268)
- 2026-05-20: CVE-2026-56268: Flowise: Cross-Workspace Chatflow Disclosure via chatflows/apikey Endpoint Returns All Unprotected Chatflows (https://github.com/advisories/GHSA-c2c9-mfw7-p8hw)

## Sources

- 2026-05-20 GitHub Advisory Database: CVE-2026-56268: Flowise: Cross-Workspace Chatflow Disclosure via chatflows/apikey Endpoint Returns All Unprotected Chatflows https://github.com/advisories/GHSA-c2c9-mfw7-p8hw
- 2026-06-22 NVD: CVE-2026-56268: Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint. https://nvd.nist.gov/vuln/detail/CVE-2026-56268

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

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