CVE-2026-91938

High

Description

Flowise versions before 3.1.4 contain a server-side request forgery vulnerability in Cheerio, Playwright, and Puppeteer document loader nodes that bypass SSRF protection. Attackers can provide arbitrary URLs to fetch cloud metadata, internal services, and private network resources with response content returned as document text.

SeverityHigh

CVSS7.1

Exploit probability31. percentile0.4%

ProductFlowise

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

FlowiseAI Flowise3.1.4 or later

Vendor advisories

github.com/FlowiseAI/Flowise/security/advisories/GHSA-9cvr-5wv9-2gxr

Affected products

Product	Affected versions	Fixed in
FlowiseAI Flowise	v < 3.1.4	3.1.4

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