VulnTideExploited vulnerabilities, by vendor. Data as of .
Not in CISA KEVReported exploited: VulnCheck KEV since Published CVSS 5.9 mediumEPSS 2.4% probability of exploitation in 30 days
vitest-dev

CVE-2025-24963: Browser mode serves arbitrary files in vitest

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .

VulnCheck KEV lists it since . VulnCheck's own honeypots also recorded exploitation attempts.

How likely is exploitation in the next 30 days?
2.4%

EPSS score, percentile 84 of all scored records. A probability estimated by FIRST, not a report of exploitation.

CISA's SSVC assessment in the CVE record lists exploitation as poc.

How severe?
5.9 Medium

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

  • >= 2.0.4, < 2.1.9
  • >= 3.0.0, < 3.0.4

Versions by product

Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.

Description

Browser mode serves arbitrary files in vitest

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.

Source: CVE List, as of . About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)
vitest-dev vitest
StatusVersions
Affected>= 2.0.4, < 2.1.9
Affected>= 3.0.0, < 3.0.4

Source: CVE List, as of . About the data.

Weakness

CWE-22
  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

DateEvent
CVE record published
CVE record last updated

References

4