[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
vite (source)	8.3.2 → 8.3.3

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launch-editor: escapeCmdArgs() omits % escaping on Windows

CVE-2026-112943 / GHSA-698v-4r3x-3vcv

More information

Details

Summary

launch-editor did not escape % on Windows when passing an argument to cmd. When an environment variable contained a malicious value, it was possible that that content to be executed.

Impact

Only apps that match all of the following conditions are affected:

• The user uses Windows
• An attacker can place a file with the malicious filename containing & or %
• Either of
  • An attacker can inject an environment variable with a malicious value
  • An attacker can add a NTFS alternate data stream to the file placed

Details

Unlike .sh files, .bat / .cmd files on Windows cannot be called directly using child_process.spawn and requires passing them as an argument of cmd.exe. To do so, launch-editor escapes the arguments passed to cmd.exe. But launch-editor did not escape % which is used for environment variables.

Because launch-editor checks if the argument matches an existing filename, the attack requires the attacker to be able to place a file.

• If the attacker can inject an environment variable as well, they can include the subcommand in the env variable (e.g. set &calc.exe to %ENV%) and call launchEditor with something%ENV%.
• If the attacker can place a NTFS alternate data stream to the file (e.g. a NTFS alternate data stream named ~-38%calc.exe), they can call launchEditor with something %CMDCMDLINE:~-38%calc.exe.
• If the attacker can create a filename containing the %CD% and the subcommand (e.g. &calc.exe ), they can call launchEditor with ./%CD%

Severity

• CVSS Score: 6.3 / 10 (Medium)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

References

• https://github.com/vitejs/launch-editor/security/advisories/GHSA-698v-4r3x-3vcv
• https://nvd.nist.gov/vuln/detail/CVE-2026-112943
• https://github.com/vitejs/launch-editor/pull/155
• https://github.com/vitejs/launch-editor/commit/3c2f9bf2ff8fe63d056a8f9cc52d825b66ca79fc
• https://github.com/vitejs/launch-editor/releases/tag/v2.14.2
• https://github.com/advisories/GHSA-698v-4r3x-3vcv

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

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Release Notes

vitejs/vite (vite)

v8.3.3

Compare Source

Bug Fixes

• deps: update launch-editor to v2.14.2 (#​23654) (22fd1d5)
• html: filename passed to transformIndexHtml should not include queries (#​23653) (7dafd8e)
• server: check fs.serve for ?vite-wasm-instance (#​23655) (ba8b7ab)
• server: store ids to safeModulePaths rather than URLs (#​23656) (c3e06f9)

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