SSRF in Flowiseai Flowise
CVE-2025-59527
Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5, a Server-Side Request Forgery (SSRF) vulnerability was discovered in the /api/v1/fetch-links endpoint of the Flowise application. This vulnerability allows an attacker to use the Flowise server as a proxy to access internal network web services and explore their link structures. This issue has been patched in version 3.0.6.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.050 (92.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.050 · newest: 0.050 · change: 0.000
Affected products
- Flowiseai Flowise — versions 3.0.5, = 3.0.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FlowiseAI/Flowise/security/advisories/GHSA-hr92-4q35-4j3m (Exploit, Vendor Advisory)
- github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/pack… (Product)
- github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/pack… (Product)
- github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/pack… (Product)
- github.com/FlowiseAI/Flowise/releases/tag/flowise@3.0.6 (Release Notes)
Frequently asked questions
- What is CVE-2025-59527?
- CVE-2025-59527 is a high-severity vulnerability in Flowiseai Flowise, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.5/10. Published 2025-09-22.
- How severe is CVE-2025-59527?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-59527 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.