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CVE-2026-28414— Gradio has Absolute Path Traversal on Windows with Python 3.13+

Quick assessment

Affected
gradio-app gradio
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gradio是Gradio开源的一个开源 Python 库，是通过友好的 Web 界面演示机器学习模型的方法。 Gradio 6.7之前版本存在安全漏洞，该漏洞源于Python 3.13+中os.path.isabs定义变更导致绝对路径遍历逻辑缺陷，可能导致未经验证的攻击者从文件系统读取任意文件。

CVSS 7.5 · High EPSS 2.48% · P84

Public Exploits 1

Nuclei · 1 CVE-2026-28414.yaml [template]
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I. Basic Information for CVE-2026-28414

Vulnerability Information
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Vulnerability Title
Gradio has Absolute Path Traversal on Windows with Python 3.13+
Source: CVE Program / CVE List V5
Vulnerability Description
Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.7, Gradio apps running on Window with Python 3.13+ are vulnerable to an absolute path traversal issue that enables unauthenticated attackers to read arbitrary files from the file system. Python 3.13+ changed the definition of `os.path.isabs` so that root-relative paths like `/windows/win.ini` on Windows are no longer considered absolute paths, resulting in a vulnerability in Gradio's logic for joining paths safely. This can be exploited by unauthenticated attackers to read arbitrary files from the Gradio server, even when Gradio is set up with authentication. Version 6.7 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
绝对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Gradio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gradio是Gradio开源的一个开源 Python 库，是通过友好的 Web 界面演示机器学习模型的方法。 Gradio 6.7之前版本存在安全漏洞，该漏洞源于Python 3.13+中os.path.isabs定义变更导致绝对路径遍历逻辑缺陷，可能导致未经验证的攻击者从文件系统读取任意文件。
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
gradio-app gradio < 6.7 -

II. Public POCs for CVE-2026-28414

# POC Description Source Link Shenlong Link
1 Gradio < 6.7 on Windows with Python 3.13+ contains an absolute path traversal caused by incorrect path validation in path joining logic, letting unauthenticated attackers read arbitrary files from the server. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-28414.yaml POC Details
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III. Intelligence Information for CVE-2026-28414

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Same Patch Batch · gradio-app · 2026-02-27 · 4 CVEs total

CVE-2026-28416 8.2 HIGH Gradio has SSRF via Malicious `proxy_url` Injection in `gr.load()` Config Processing
CVE-2026-28415 4.3 MEDIUM Gradio has Open Redirect in OAuth Flow
CVE-2026-27167 Gradio: Mocked OAuth Login Exposes Server Credentials and Uses Hardcoded Session Secret

IV. Related Vulnerabilities

Same product: gradio
Same vendor: gradio-app
Same weakness: CWE-36

V. Comments for CVE-2026-28414

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