How severe is CVE-2025-24963?

CVE-2025-24963 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-24963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-24963?

CVE-2025-24963 affects Vitest.dev Vitest. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-24963?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-24963 have an EU (EUVD) identifier?

Yes. CVE-2025-24963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0224.

When was CVE-2025-24963 published?

CVE-2025-24963 was published on 2025-02-04 and last updated on 2026-06-17.

CVE-2025-24963

CVE-2025-24963 is a medium-severity vulnerability in Vitest.dev Vitest with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-0224
Weakness: CWE-22
Affected product: Vitest.dev Vitest
Published: 2025-02-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-24963?: 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.
How severe is CVE-2025-24963?: CVE-2025-24963 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-24963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-24963?: CVE-2025-24963 affects Vitest.dev Vitest. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-24963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-24963 have an EU (EUVD) identifier?: Yes. CVE-2025-24963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-0224.
When was CVE-2025-24963 published?: CVE-2025-24963 was published on 2025-02-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vitest.dev:vitest:*:*:*:*:*:node.js:*:*

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