Vulnerability · Published Jun 8, 2026 · Assigned by GitHub_M
CVE-2026-46476Flowise: CustomTemplate create+update mass-assignment allows cross-workspace template takeover
High 7.7
In plain English
A high-severity security flaw in Flowise from FlowiseAI. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)7.7High
Exploit odds (30 days)0.3%top 73.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, CustomTemplate create and update mass-assignment allows cross-workspace template takeover. This issue has been patched in version 3.1.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | flowise | 3.1.2 | GHSA-728h-4mwj-f2p4 |
Affected products (as reported)
Weakness: CWE-915 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-728h-4mwj-f2p4 x_refsource_CONFIRM
- https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2 x_refsource_MISC