CVE-2026-91929CWE-862broken-access-control

CVE-2026-91929

High · published September 15, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
27.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
7.6 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
EPSS
0.00352 · 27.6th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-15T20:17Z
References (2)
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-7x8x-vv46-4579 · [email protected]https://www.vulncheck.com/advisories/flowise-before-3.1.4-cross-tenant-authorization-bypass · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 15:17Z
    Flowise before 3.1.4 Cross-Tenant Authorization Bypass
    cvelistv5