CVE-2026-73088

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.

• CWE-248
• CWE-1321

• https://github.com/browserslist/browserslist/commit/f9914ad9effc865ccc27d816255625890b31ca51
• https://github.com/browserslist/browserslist/releases/tag/4.28.7
• https://github.com/browserslist/browserslist/security/advisories/GHSA-73wf-gq98-2v4g

Published

Aug 11, 2026

Last Modified

Aug 11, 2026

Status

Received

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-73082Activepieces is an open source AI workflow automation platfo…5.3
• CVE-2026-73083Activepieces is an open source AI workflow automation platfo…7.6
• CVE-2026-73084Activepieces is an open source AI workflow automation platfo…6.1
• CVE-2026-73085Audiobookshelf is a self-hosted audiobook and podcast server…5.3
• CVE-2026-73086nanoid is a secure, URL-friendly, unique string ID generator…7.4
• CVE-2026-73087Dozzle is a realtime log viewer for docker containers. From …2.3
• CVE-2026-73089Browserslist is a configuration tool for sharing target brow…7.5
• CVE-2026-7309A flaw was found in the OpenShift Container Platform build s…4.3
• CVE-2026-73090PeerTube is an ActivityPub-federated video streaming platfor…9.3
• CVE-2026-7310A heap-based buffer overflow vulnerability exists in XML par…4.4
• CVE-2026-7311The TinyPNG – JPEG, PNG & WebP image compression plugin for …8.1
• CVE-2026-7312CWE‑522: Insufficiently Protected Credentials in web service…7.5