PatchTheCVECVE-2026-90534: Flowise is a low-code platform for building LLM applications
CVE-2026-90534 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 is a low-code platform for building LLM applications. In versions up to and including 3.1.3, the POST /api/v1/node-load-method/:name endpoint is mounted without any route-level permission check and invokes component loadMethods with an attacker-controlled nodeName, loadMethod, inputs, and credential value. The selected credential is resolved by raw Credential.id via getCredentialData() and decrypted without verifying Credential.workspaceI
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 | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-639 |
| 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-2026-90534?
flowise: upgrade to 3.1.4. Exact commands for each OS are on this page.
Is CVE-2026-90534 being exploited?
CVE-2026-90534 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-2026-90534 affect?
CVE-2026-90534 affects flowise. Severity is medium (CVSS 6.5). Flowise is a low-code platform for building LLM applications. In versions up to and including 3.1.3, the POST /api/v1/node-load-method/:name endpoint is mounted without any route-level permission check and invokes component loadMethods with
How urgent is CVE-2026-90534?
Priority 35/100. Public exploit reference
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