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7.5HIGH
CVE-2025-59527 — Flowise is a drag & drop user interface to build a customized large language model flow.
Flowiseai · Flowise · Published 22 Sept 2025 · Modified 30 Sept 2026
Description
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.
References
- https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/components/src/utils.ts#L474-L478
- https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/server/src/controllers/fetch-links/index.ts#L6-L24
- https://github.com/FlowiseAI/Flowise/blob/5930f1119c655bcf8d2200ae827a1f5b9fec81d0/packages/server/src/services/fetch-links/index.ts#L8-L18
- https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.0.6
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hr92-4q35-4j3m
What to do
- Check whether Flowise is in your asset inventory.
- Patch in the next maintenance window; prioritise internet-facing systems.
- Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-59527