Server-Side Request Forgery (SSRF) in Flowise - CVE-2026-41272
Published: April 20, 2026
Vulnerability identifier: #VU126606
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-41272
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: FlowiseAI
Affected software:
Flowise
Flowise
Detailed vulnerability description
The vulnerability allows a remote user to access internal services and modify data via server-side request forgery.
The vulnerability exists due to improper access control in secureAxiosRequest and secureFetch in packages/components/src/httpSecurity.ts when handling outbound requests. A remote user can supply a crafted URL to access internal services and modify data via server-side request forgery.
Exploitation can occur through a DNS rebinding time-of-check time-of-use condition or when the deny list is left unset by default.
How to mitigate CVE-2026-41272
Install security update from vendor's website.