CVE-2026-44285 FastGPT: SSRF Protection Bypass via `externalFile` in Dataset Preview API

FastGPT is an AI Agent building platform. Prior to 4.15.0-beta1, a Server-Side Request Forgery SSRF vulnerability allows an authenticated attacker to bypass the global isInternalAddress network protection and make arbitrary HTTP GET requests to internal network services. This is achieved by...

FastGPT code issues and vulnerabilities

FastGPT is an open-source knowledge base question-answering system based on large language models developed by Labring. Versions of FastGPT prior to 4.15.0-beta1 contained code vulnerabilities. These vulnerabilities were caused by server-side request forgery, allowing authenticated attackers to...

PT-2026-44980

Name of the Vulnerable Software and Affected Versions FastGPT versions prior to 4.15.0-beta1 Description The JavaScript sandbox worker fails to properly block dynamic import calls due to an insufficient regular expression. The regex /bimports/.testcode only accounts for ASCII whitespace and does...

FastGPT security vulnerabilities

FastGPT is an open-source knowledge base question-answering system based on large language models developed by Labring. Versions of FastGPT prior to 4.15.0-beta1 contained a security vulnerability. This vulnerability stemmed from the JavaScript sandbox worker’s use of regular expressions. It test...

CVE-2026-44287: Improper Control of Generation of Code

FastGPT is an AI Agent building platform. Prior to 4.15.0-beta1, the JavaScript sandbox worker at projects/code-sandbox/src/pool/worker.ts:356 blocks dynamic import with the regex /\bimport\s/.testcode. JavaScript syntax accepts a block comment between import and ; the regex matches only ASCII...

CVE-2026-44285: Server-Side Request Forgery (SSRF)

FastGPT is an AI Agent building platform. Prior to 4.15.0-beta1, a Server-Side Request Forgery SSRF vulnerability allows an authenticated attacker to bypass the global isInternalAddress network protection and make arbitrary HTTP GET requests to internal network services. This is achieved by...

CVE-2026-42345

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts blocks cloud metadata endpoints using a fullUrl.startsWith check against a hardcoded list. This check can be bypassed using at least 7 different...

CVE-2026-42302

FastGPT is an AI Agent building platform. From version 4.14.10 to before version 4.14.13, the agent-sandbox component of FastGPT is vulnerable to unauthenticated Remote Code Execution RCE. The startup script entrypoint.sh initializes code-server with the --auth none flag and binds the service to...

CVE-2026-42343

FastGPT is an AI Agent building platform. In versions 4.14.13 and prior, the code-sandbox component suffers from insufficient resource isolation and uncontrolled resource consumption. The service relies solely on an application-level soft limit a 500ms polling interval for memory management and...

CVE-2026-44286

FastGPT is an AI Agent building platform. Prior to version 4.14.17, an unauthenticated Server-Side Request Forgery SSRF vulnerability allows attackers or authenticated users with App editing privileges to send arbitrary HTTP requests to internal/private network addresses. The fetchData function i...

CVE-2026-42344

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts is vulnerable to DNS rebinding TOCTOU — Time-of-Check to Time-of-Use. The function resolves the hostname via dns.resolve4/dns.resolve6 and check...

CVE-2026-44284

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...

CVE-2026-42344

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts is vulnerable to DNS rebinding TOCTOU — Time-of-Check to Time-of-Use. The function resolves the hostname via dns.resolve4/dns.resolve6 and check...

CVE-2026-42345

FastGPT is an AI Agent building platform. In versions 4.14.11 and prior, FastGPT's isInternalAddress function in packages/service/common/system/utils.ts blocks cloud metadata endpoints using a fullUrl.startsWith check against a hardcoded list. This check can be bypassed using at least 7 different...

CVE-2026-42302

FastGPT is an AI Agent building platform. From version 4.14.10 to before version 4.14.13, the agent-sandbox component of FastGPT is vulnerable to unauthenticated Remote Code Execution RCE. The startup script entrypoint.sh initializes code-server with the --auth none flag and binds the service to...

EUVD-2026-28868

FastGPT is an AI Agent building platform. Prior to version 4.14.17, an unauthenticated Server-Side Request Forgery SSRF vulnerability allows attackers or authenticated users with App editing privileges to send arbitrary HTTP requests to internal/private network addresses. The fetchData function i...

CVE-2026-44286 FastGPT: SSRF Vulnerability in Laf Workflow Node via Missing Internal Address Validation

FastGPT is an AI Agent building platform. Prior to version 4.14.17, an unauthenticated Server-Side Request Forgery SSRF vulnerability allows attackers or authenticated users with App editing privileges to send arbitrary HTTP requests to internal/private network addresses. The fetchData function i...

CVE-2026-44286

FastGPT is an AI Agent building platform. Prior to version 4.14.17, an unauthenticated Server-Side Request Forgery SSRF vulnerability allows attackers or authenticated users with App editing privileges to send arbitrary HTTP requests to internal/private network addresses. The fetchData function i...

CVE-2026-44284

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...

CVE-2026-44284 FastGPT: Stored MCP tool URL SSRF in FastGPT workflow execution

FastGPT is an AI Agent building platform. Prior to version 4.14.17, FastGPT had an inconsistent SSRF protection gap in MCP tool URL handling. The direct MCP preview/run endpoints already rejected internal/private network URLs, but the MCP tool create/update endpoints could still save an internal...