Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-50562— FastGPT: Untrusted PR artifacts are pushed and deployed by privileged preview workflows

Quick assessment

Affected
labring FastGPT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

labring FastGPT是labring公司开源的一款基于大语言模型的开源知识库问答系统。 labring FastGPT存在安全漏洞，该漏洞源于工作流配置问题，导致可利用高权限工作流任务下载来自不受信任的拉取请求构建的制品，从而允许攻击者控制的Docker镜像被推送至GHCR，并在文档预览中部署，可能导致权限许可和访问控制问题及软件供应链风险。

AI Predicted 9.8 Difficulty: Easy EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
labring FastGPT <= 22ebfacbb43311e9b73294040ae0eb87390c6bba affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-50562

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
FastGPT: Untrusted PR artifacts are pushed and deployed by privileged preview workflows
Source: CVE Program / CVE List V5
Vulnerability Description
FastGPT is a knowledge-based AI application platform. At commit 22ebfacbb43311e9b73294040ae0eb87390c6bba and earlier, artifacts built from untrusted pull request code in .github/workflows/preview-docs-build.yml and .github/workflows/preview-fastgpt-build.yml can be downloaded by privileged workflow_run jobs in .github/workflows/preview-docs-push.yml and .github/workflows/preview-fastgpt-push.yml, allowing attacker-controlled Docker images from the document/ tree or FastGPT build context to be pushed to GHCR and, for documentation previews, deployed with secrets.KUBE_CONFIG_CN.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
labring FastGPT 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
labring FastGPT是labring公司开源的一款基于大语言模型的开源知识库问答系统。 labring FastGPT存在安全漏洞，该漏洞源于工作流配置问题，导致可利用高权限工作流任务下载来自不受信任的拉取请求构建的制品，从而允许攻击者控制的Docker镜像被推送至GHCR，并在文档预览中部署，可能导致权限许可和访问控制问题及软件供应链风险。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
labring FastGPT <= 22ebfacbb43311e9b73294040ae0eb87390c6bba -

II. Public POCs for CVE-2026-50562

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-50562

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-50562 (1)

Same Patch Batch · labring · 2026-07-15 · 5 CVEs total

CVE-2026-61644 7.7 HIGH FastGPT: /api/core/chat/record/getCollectionQuote can disclose cross-tenant dataset text d
CVE-2026-61643 5.9 MEDIUM FastGPT: workflow runtime can execute another user's private HTTP toolset
CVE-2026-61684 FastGPT: Unauthenticated cross-tenant data access via forgeable plugin-invoke JWT (default
CVE-2026-61646 FastGPT: Shared axios SSRF guard validates only the initial URL before following redirects

IV. Related Vulnerabilities

Same product: FastGPT
Same vendor: labring
Same weakness: CWE-266

V. Comments for CVE-2026-50562

No comments yet

Leave a comment