PatchTheCVECVE-2026-67621: Flowise through 3.1.4 contains a missing authorization vulnerability that allows authenticated workspace membe
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HIGH 7.6UPGRADE
CVE-2026-67621 is a high-severity flaw (CVSS 7.6) affecting flowise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Flowise through 3.1.4 contains a missing authorization vulnerability that allows authenticated workspace members to perform unauthorized document store operations by accessing unprotected mutation endpoints. Attackers holding only view-level permissions can send direct HTTP requests to the upsert and refresh document store routes to trigger document ingestion, refresh vector database contents, consume embedding API credits, and modify knowledge b
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.6 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 65%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-08-06 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
flowiseai flowise UPGRADE
Affected: <= 3.1.4
Fixed in: newer than 3.1.4
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy flowise || rpm -q flowise || flowise --version
2. UPGRADE to newer than 3.1.4 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade flowise
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade flowise
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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- CVE-2026-69252 HIGH 8.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
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