CVE-2026-91929

7.6 highEPSS 0.4%

High (7.6). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.6 high

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

CVSS 3.1

7.1 high

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-09-15
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

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

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