PatchTheCVECVE-2026-90533: Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allow
CVE-2026-90533 is a medium-severity flaw (CVSS 6.5) affecting flowise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allows any authenticated organization member to retrieve the organization owner's full user record including bcrypt password hash and temporary tokens. Attackers can query the endpoint with any user ID to obtain the owner's credential hash for offline cracking, enabling account takeover of the highest-privileged account.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-09-12 |
| Last modified | 2026-09-15 |
Last updated 2026-09-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-90533?
flowise: upgrade to 3.1.4. Exact commands for each OS are on this page.
Is CVE-2026-90533 being exploited?
CVE-2026-90533 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-90533 affect?
CVE-2026-90533 affects flowise. Severity is medium (CVSS 6.5). Flowise before 3.1.4 contains a broken access control vulnerability in GET /api/v1/organizationuser that allows any authenticated organization member to retrieve the organization owner's full user record including bcrypt password hash and t
How urgent is CVE-2026-90533?
Priority 34/100. Public exploit reference
Related CVEs
- CVE-2026-41268 CRITICAL 9.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-41276 CRITICAL 9.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-40933 CRITICAL 9.9 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-41265 CRITICAL 9.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-41137 HIGH 8.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow