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CVE-2026-73653

9.4 · CRITICAL

Vitest is a testing framework powered by Vite.

Published Aug 13, 2026CWE-22EPSS 0.79%

Overview

CVE-2026-73653 is a critical-severity vulnerability. It was published on August 13, 2026 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Vitest is a testing framework powered by Vite. Prior to versions 3.2.7, 4.1.10, and 5.0.0-beta.6, Browser Mode provider commands including upload, takeScreenshot, screenshotMatcher, stopChunkTrace, deleteTracing, and annotateTraces accept browser-supplied file paths without enforcing the allowWrite permission gate or confining paths to the project root. A client that can reach the Browser Mode API can read arbitrary local files, create or overwrite image and trace files, or delete files accessible to the Vitest process even when allowWrite is false. This issue is fixed in versions 3.2.7, 4.1.10, and 5.0.0-beta.6.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/vitest-dev/vitest/commit/33f96a145ef09ca6a43b4e555eb273e64a87be23GitHubgithub.com/vitest-dev/vitest/commit/5c18dd267ff7f47f24cab2f615a16b37d90feb7fGitHubgithub.com/vitest-dev/vitest/commit/b795e36b34969bec50b47a9f29d26f799a6a04fbGitHubgithub.com/vitest-dev/vitest/pull/10674GitHubgithub.com/vitest-dev/vitest/pull/10679GitHubgithub.com/vitest-dev/vitest/pull/10680GitHubgithub.com/vitest-dev/vitest/releases/tag/v3.2.7GitHubgithub.com/vitest-dev/vitest/releases/tag/v4.1.10GitHubgithub.com/vitest-dev/vitest/releases/tag/v5.0.0-beta.6GitHubgithub.com/vitest-dev/vitest/security/advisories/GHSA-p63j-vcc4-9vmv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-73653?

CVE-2026-73653 is a critical-severity vulnerability. It was published on August 13, 2026 and has a CVSS 3.1 base score of 9.4 (CRITICAL).

How severe is CVE-2026-73653?

This vulnerability has a CVSS 3.1 base score of 9.4, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-73653?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-73653?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-73653 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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