CVE-2025-59527 | FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability

Exp

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.

Published: 2025-09-22 Last update: 2025-09-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-59527 is rated Exploit Available (57.6/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-59527

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-59527

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 0.14% 0.15% +0.01%
2 2026-04-28 0.15% 0.14% -0.01%
3 2026-04-18 0.15%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-59527

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-59527

GitHub Security Advisory for CVE-2025-59527

GHSA-hr92-4q35-4j3m · Severity: high · Ecosystem: npm — FlowiseAI/Flowise has Server-Side Request Forgery (SSRF) vulnerability

Affected software / configurations for CVE-2025-59527

Vendor Product Version Raw CPE
flowiseai flowise 3.0.5 cpe:2.3:a:flowiseai:flowise:3.0.5:*:*:*:*:*:*:*

References for CVE-2025-59527

cvelogic Threat Intelligence