Nixpkgs security tracker
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CVE-2026-47429
9.8 CRITICAL
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Network (N)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse dismissed (not in Nixpkgs)
Vitest: Arbitrary file can be read and executed when Vitest UI server is listening
Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /__vitest_attachment__, allowing \\?\\..\\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile and rerun could also allow arbitrary script execution. This issue is fixed in versions 3.2.5 and 4.1.0.
References
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https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp x_refsource_CONFIRM
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https://github.com/vitest-dev/vitest/pull/10445 x_refsource_MISC
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https://github.com/vitest-dev/vitest/pull/9350 x_refsource_MISC
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https://github.com/vitest-dev/vitest/releases/tag/v3.2.5 x_refsource_MISC
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https://github.com/vitest-dev/vitest/releases/tag/v4.1.0 x_refsource_MISC
Affected products
vitest
- ==< 3.2.5
- ==>= 4.0.0, < 4.1.0