CVE-2026-91938

HIGH 7.1

Flowise before 3.1.4 Server-Side Request Forgery via document loaders

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	flowiseai
Product	flowise
Published	Sep 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Affected Versions

FlowiseAI / Flowise

0 < 3.1.4

FlowiseAI / Flowise

0 < 3.1.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 kodareef5