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Vulnerability details

7.5/10
CVSS 3.1
CVE-2026-73088
not_affected Published 2026-08-11 Updated 2026-09-09
NVD MITRE OpenCVE
Vulnerability Data from Dependency-Track
Affected versions
Score
7.5 CVSS 3.1 NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Browserslist is a configuration tool for sharing target browsers and Node.js versions between front-end tools. Prior to 4.28.7, normalizeStats() in node.js, reached unconditionally through getStat() and loadStat() on every browserslist() call, processes untrusted browserslist-stats.json, opts.stats, and CLI --stats data with an unguarded for...in loop and plain-object bracket access and assignment, allowing inherited Object.prototype keys including __proto__, toString, valueOf, constructor, hasOwnProperty, and isPrototypeOf to cause an uncaught TypeError or modify the prototype of the returned normalized object. This issue is fixed in version 4.28.7.
Same vulnerability as
GHSA-73wf-gq98-2v4g not_affected according to EUVD-2026-56285
Analysis Read only
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