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Public proof of conceptFix available

CVE-2025-59527

A public proof of concept exists; no exploitation attested.

  • Published2025-09-22
  • Fixed in3.0.6
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2025-09-2220:15CVE publishedNVD

Versions per branch

OSV · NVD
flowise
BranchAffectedFixed in
3.0≥ 3.0.5, < 3.0.63.0.6
Flowiseai flowise
BranchAffectedFixed in
3.0= 3.0.5no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • FlowiseAI Flowise
    Affected
    • = = 3.0.5no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-09-22

Fix

  1. Update flowise to 3.0.6

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE recordread 2026-10-23
  • CISA-ADPSSVC decisionpoc2025-09-22
  • CNACVSS 3.17.5known since 2026-10-23
  • CNAweakness (CWE)CWE-918known since 2026-10-23
  • FIRST EPSSEPSS score5.5 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2025-09-15

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2025-09-22
Last Modified
2026-10-11
NVD status
Analyzed
GitHub Advisory
GHSA-hr92-4q35-4j3m

Frequently asked questions

What is 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.

Is CVE-2025-59527 actively exploited?

A proof-of-concept exploit exists for CVE-2025-59527, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-59527?

CVE-2025-59527 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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