PatchTheCVECVE-2026-73483: Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@fl
51
This month
HIGH 8.8UPGRADE
CVE-2026-73483 is a high-severity flaw (CVSS 8.8) affecting flowise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Flowise (packages flowise and flowise-components) in versions <= 3.1.2 contain a sandbox escape in the vm2/@flowiseai/nodevm JavaScript sandbox. An authenticated user with access to the /api/v1/node-custom-function endpoint can escape the sandbox by supplying attacker-controlled executablePath and args parameters to puppeteer.launch(), which internally invokes child_process.spawn() outside the sandbox boundary. This allows execution of arbitrary
Why this priority
- High severity
- Public exploit reference
- CISA SSVC: automatable with total technical impact
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-08-13 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
flowiseai flowise UPGRADE
Affected: <= 3.1.2
Fixed in: newer than 3.1.2
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 3.1.2 (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.
Exact fixes by distribution
npm · flowise · FIXED · 3.1.3 · vulnerable: <= 3.1.2 · source
npm install flowise@">=3.1.3"
npm ls flowise
npm · flowise-components · FIXED · 3.1.3 · vulnerable: <= 3.1.2 · source
npm install flowise-components@">=3.1.3"
npm ls flowise-components
Fedora 46 · diffoscope · FIXED · 335-1.fc46 · FEDORA-2026-e4c4cc0856 · source
sudo dnf upgrade --advisory=FEDORA-2026-e4c4cc0856
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.
Related CVEs
- CVE-2026-69253 HIGH 8.8 UPGRADE Flowise is a drag-and-drop user interface for building customized large language model (LLM) flows
- CVE-2026-69254 HIGH 8.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-69250 HIGH 7.5 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-69252 HIGH 8.8 UPGRADE Flowise is a drag & drop user interface to build a customized large language model flow
- CVE-2026-69264 CRITICAL 9.8 UPGRADE Prior to 3.1.3, Flowise CSVAgent interpolates an attacker-controlled segment of the csvFile data URI directly