# CVE-2025-27600: FastGPT SSRF

> Attackers can exploit missing intranet IP verification in the web crawling plugin to access private internal network data.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Mar 2025
- **Updated:** 6 Mar 2025
- **Also known as:** GHSA-vc67-62v5-8cwx

## What is CVE-2025-27600?

CVE-2025-27600 is a medium-severity server-side request forgery vulnerability in labring FastGPT, published on 6 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

FastGPT is a knowledge-based platform built on the LLMs. Since the web crawling plug-in does not perform intranet IP verification, an attacker can initiate an intranet IP request, causing the system to initiate a request through the intranet and potentially obtain some private data on the intranet. This issue is fixed in 4.9.0.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2025-27600?

It affects 1 product.


Products: Fastgpt Fastgpt.

## How do I fix CVE-2025-27600?

No fix has been published for CVE-2025-27600 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-27600 being exploited?

There is no known exploitation of CVE-2025-27600 in the wild and no public exploit code.

## Other vulnerabilities in labring FastGPT

- [CVE-2026-34162](https://insights.sbomify.com/CVE-2026-34162/): FastGPT: Unauthenticated SSRF via httpTools Endpoint Leads to Internal API Key Theft (critical 10.0)
- [CVE-2026-40351](https://insights.sbomify.com/CVE-2026-40351/): FastGPT: NoSQL Injection in loginByPassword leads to Authentication Bypass (critical 9.8)
- [CVE-2026-33075](https://insights.sbomify.com/CVE-2026-33075/): FastGPT has Arbitrary Code Execution in GitHub Actions via pull_request_target in fastgpt-preview-image.yml (critical 9.4)
- [CVE-2026-40352](https://insights.sbomify.com/CVE-2026-40352/): FastGPT: NoSQL Injection in updatePasswordByOld Leads to Account Takeover (high 8.8)
- [CVE-2026-34163](https://insights.sbomify.com/CVE-2026-34163/): Server-Side Request Forgery via MCP Tools Endpoint in FastGPT (high 7.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-27600 and fix it if it is affected.

What it is: CVE-2025-27600 is a medium-severity server-side request forgery vulnerability in labring FastGPT, published on 6 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-27600 in the wild and no public exploit code.

Affected product: labring FastGPT. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-27600/ (Markdown: https://insights.sbomify.com/CVE-2025-27600/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-27600
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-27600
- OSV: https://osv.dev/vulnerability/CVE-2025-27600

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-27600/
Summaries are generated and may contain mistakes; the official description above is the record.