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CVE-2026-49119— Gradio < 6.16.0 Path Traversal via FileExplorer.preprocess()

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-app gradio是gradio-app的机器学习Web演示框架。 gradio-app gradio 6.16.0之前版本存在路径遍历漏洞，该漏洞源于FileExplorer组件的preprocess()方法存在路径遍历问题，攻击者可以通过提供包含目录遍历序列或绝对路径的路径段，导致os.path.join完全丢弃root_dir前缀，从而逃逸配置的根目录，实现任意文件读取或暴露预期目录之外敏感文件。

CVSS 7.5 · High EPSS 0.93% · P59

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
gradio-app gradio < 6.16.0 affected
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I. Basic Information for CVE-2026-49119

Vulnerability Information
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Vulnerability Title
Gradio < 6.16.0 Path Traversal via FileExplorer.preprocess()
Source: CVE Program / CVE List V5
Vulnerability Description
Gradio before 6.16.0 contain a path traversal vulnerability in the FileExplorer component's preprocess() method that allows unauthenticated attackers to escape the configured root directory by supplying path segments containing directory traversal sequences or absolute paths. Attackers can provide crafted path segments that cause os.path.join to discard the root_dir prefix entirely, resulting in arbitrary file read or exposure of sensitive files outside the intended directory.
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
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
gradio-app gradio 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gradio-app gradio是gradio-app的机器学习Web演示框架。 gradio-app gradio 6.16.0之前版本存在路径遍历漏洞，该漏洞源于FileExplorer组件的preprocess()方法存在路径遍历问题，攻击者可以通过提供包含目录遍历序列或绝对路径的路径段，导致os.path.join完全丢弃root_dir前缀，从而逃逸配置的根目录，实现任意文件读取或暴露预期目录之外敏感文件。
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 0 ~ 6.16.0 -

II. Public POCs for CVE-2026-49119

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8204 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-49119

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Patches & Fixes for CVE-2026-49119 (2)

Vendor Advisories for CVE-2026-49119 (1)

Vendor Pages for CVE-2026-49119 (1)

IV. Related Vulnerabilities

Same product: gradio
Same vendor: gradio-app
Same weakness: CWE-22

V. Comments for CVE-2026-49119

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