9.8Critical
Flowiseai Flowise
CVE-2026-52098
An issue in Flowise 3.1.2 allows a remote attacker to execute arbitrary code via the /api/v1/prediction/ endpoint
What this means for your business
- It affects Flowiseai Flowise. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.8% chance of attack attempts being seen in the next 30 days, ranking above 54% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Flowiseai Flowise, and which version. The affected versions are listed further down this page.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 9.8 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness
- CWE-94
- Assigned by
- cve@mitre.org
Dates
- Published
- 2026-09-10
- Last modified
- 2026-09-15
- Sources
- NVD
Affected products
- Flowiseai Flowise3.1.2
As listed in the NVD configuration data. Not a statement about your estate.