CVE-2026-91938 PUBLISHED

Flowise before 3.1.4 Server-Side Request Forgery via document loaders

Assigner: VulnCheck
Reserved: 15.09.2026 Published: 15.09.2026 Updated: 15.09.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS Score: 7.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

CVSS Vector: 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
CVSS Score: 7.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	FlowiseAI
Product	Flowise
Versions	Default: unaffected affected from 0 to 3.1.4 (excl.) Version 3.1.4 is unaffected

Vendor	FlowiseAI
Product	Flowise
Versions	Default: unaffected affected from 0 to 3.1.4 (excl.) Version 3.1.4 is unaffected

CVE-2026-91938 PUBLISHED

Flowise before 3.1.4 Server-Side Request Forgery via document loaders

Metrics

Product Status

Credits

References

Problem Types