CVE-2025-59528: Flowise remote code execution via CustomMCP node
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
Unsafe evaluation of user-provided MCP server configuration strings via the Function constructor allowed remote code execution. A fix was released to address the insecurity.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- Flowise
- incident date
- 15 Sep 2025
- first reported
- 15 Sep 2025
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2025-59528 · rce · mcp
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json
Sources · 2
- 2025-09-15CVE-2025-59528: Flowise has Remote Code Execution vulnerabilityGitHub Advisory Database · github.com/advisories/GHSA-3gcm-f6qx-ff7p
- 2025-09-22CVE-2025-59528: Flowise is a drag & drop user interface to build a customized large language model flow.NVD · nvd.nist.gov/vuln/detail/CVE-2025-59528
Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.
Related incidents
- 2025-10-14CVE-2025-34267: Flowise Sandbox Escape and RCE Vulnerability2 Disclosedon AIInfra vuln2 src
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- 2025-10-08CVE-2025-61913: Flowise File Path Traversal Vulnerability2 Disclosedon AIInfra vuln2 src
- 2025-10-06CVE-2025-55346: Flowise vulnerable to RCE via Dynamic function constructor injection2 Disclosedon AIInfra vuln1 src
- 2025-10-06CVE-2025-61687: Flowise file upload vulnerability leads to RCE2 Disclosedon AIInfra vuln2 src
- 2025-10-03Flowise vulnerable to XSS2 Disclosedon AIInfra vuln1 src