High severity7.1NVD Advisory· Published Sep 15, 2026

CVE-2026-91938

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.

Affected products

Flowiseai/Flowisellm-fuzzy
Range: <3.1.4

Patches

Vulnerability mechanics

References

github.com/FlowiseAI/Flowise/security/advisories/GHSA-9cvr-5wv9-2gxrnvd
www.vulncheck.com/advisories/flowise-before-3.1.4-server-side-request-forgery-via-document-loadersnvd

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cvss	0.461
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patch	-0.070
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