CVE-2025-59527

Flowise vulnerability

CVSS

7.5

EPSS

4.7%

EPSS pct

91th

Exploited

No known

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.

Affected vendor

Flowiseai

Affected product

Flowise

CVSS vector

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

Weakness type (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Published

2025-09-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality.

Its EPSS score of 4.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2025-59527

Confirm whether Flowiseai Flowise is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-59527.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-59527

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-59527 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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