CVE-2025-24963
highpriority · track · 41EPSS 0.024 · 84 %ileexploit · PoCEURUUSEPSS · scored 2026-10-23
Vitest is a testing framework powered by Vite. The `__screenshot-error` handler on the browser mode HTTP server that responds any file on the file system. Especially if the server is exposed on the network by `browser.api.host: true`, an attacker can send a request to that handler from remote to get the content of arbitrary files.This `__screenshot-error` handler on the browser mode HTTP server responds any file on the file system. This code was added by commit `2d62051`. Users explicitly exposing the browser mode server to the network by `browser.api.host: true` may get any files exposed. This issue has been addressed in versions 2.1.9 and 3.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- hiteshpatra/CVE-2025-24963hiteshpatra/CVE-2025-24963PoC · poc_in_github
affected products (8)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-8gvc-j273-4wm5Vitest browser mode serves arbitrary files2025-02-04ghsa · osvUS
### Summary `__screenshot-error` handler on the browser mode HTTP server that responds any file on the file system. Especially if the server is exposed on the network by [`browser.api.host: true`](https://vitest.dev/guide/browser/config.html#browser-api), an attacker can send a request to that handler from remote to get the content of arbitrary files. ### Details This `__screenshot-error` handler on the browser mode HTTP server responds any file on the file system. https://github.com/vitest-dev/vitest/blob/f17918a79969d27a415f70431e08a9445b051e45/packages/browser/src/node/plugin.ts#L88-L130 This code was added by https://github.com/vitest-dev/vitest/commit/2d62051f13b4b0939b2f7e94e88006d830dc4d1f. ### PoC 1. Create a directory and change the current directory to that directory 1. Run `npx vitest init browser` 1. Run `npm run test:browser` 2. Run `curl http://localhost:63315/__screenshot-error?file=/path/to/any/file` ### Impact Users explicitly exposing the browser mode server to the network by [`browser.api.host: true`](https://vitest.dev/guide/browser/config.html#browser-api) may get any files exposed.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://github.com/vitest-dev/vitest/blob/f17918a79969d27a415f70431e08a9445b051e45/packages/browser/src/node/plugin.ts#L88-L130cnnvd
- https://github.com/vitest-dev/vitest/commit/2d62051f13b4b0939b2f7e94e88006d830dc4d1fcnnvd
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-8gvc-j273-4wm5cnnvd
- https://vitest.dev/guide/browser/config.html#browser-apicnnvd
- https://github.com/vitest-dev/vitest/blob/f17918a79969d27a415f70431e08a9445b051e45/packages/browser/src/node/plugin.ts#L88-L130enisa_euvd
- https://github.com/vitest-dev/vitest/commit/2d62051f13b4b0939b2f7e94e88006d830dc4d1fenisa_euvd
- https://github.com/vitest-dev/vitest/security/advisories/GHSA-8gvc-j273-4wm5enisa_euvd
- https://vitest.dev/guide/browser/config.html#browser-apienisa_euvd
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