HighVulnerabilityLLM-specific

CVE-2025-59527: Flowise server-side request forgery through /api/v1/fetch-links endpoint

Source: NVD(opens in a new tab)
Identifier: CVE-2025-59527
Published: September 22, 2025
Record updated: October 9, 2026

Affected: flowise = 3.0.5
Fixed in: 3.0.6
released September 15, 2025, 7 days before disclosure
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 5.5%

Summary

CVE-2025-59527 affects Flowise, a drag and drop user interface for building customized large language model flows, in version 3.0.5. A Server-Side Request Forgery (SSRF) flaw in the /api/v1/fetch-links endpoint lets an attacker use the Flowise server as a proxy to reach internal network web services and explore their link structures.

Mitigation

This issue has been patched in version 3.0.6.

Details

Scores and exploitation

CVSS score: 7.5(high)
Patch available: Yes
EPSS: 5.5%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-918
Attack pattern (CAPEC): CAPEC-664

Affected

Packages: flowise@= 3.0.5 (fixed: 3.0.6)

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Plugin
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-59527

First tracked: February 15, 2026 at 08:53 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

flowisenpmLLM dependency since 2024-03-12

Summary

Mitigation

Affected packages in the Exposure Registry

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