CVE-2026-91938 json
Flowise before 3.1.4 Server-Side Request Forgery via document loaders
published 2mo ago modified last mo. also EUVD-2026-78796 , GHSA-9cvr-5wv9-2gxr
Unreviewed: the maintainers' own advisory
Published by the maintainers on their GitHub repository FlowiseAI/Flowise. GitHub has not reviewed it into the GitHub Advisory Database, so the affected packages and versions are the maintainers' word. Read the full advisory on GitHub.
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- FlowiseAI Flowise 3.1.4
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- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last mo.
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
| CNA | 4.0 | 7.6 | 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 |
| CNA | 4.0 | 7.6 | 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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- FlowiseAI Flowise
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/FlowiseAI/Flowise/security/advisories/GHSA-9cvr-5wv9-2gxr
vendor-advisory, advisory
-
vulncheck.com
/advisories/flowise-before-3.1.4-server-side-request-forgery-via-document-loaders
third-party-advisory
Sources
- CVE List CVE-2026-91938
- NVD CVE-2026-91938
- Maintainer advisory GHSA-9cvr-5wv9-2gxr
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of FlowiseAI/Flowise published their own advisory on GitHub. Reviewed sources take precedence over it.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.