Security Advisory

CVE-2026-57501

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-09 22:27:34

Last updated 2026-07-10 20:59:23

Assigner GitHub_M

CVSS score 0.0

State PUBLISHED

Description

Zen is a firefox-based browser. Prior to 1.21.5b, Zen's glance and split-view context-menu actions, Open link in glance and Split link in new tab, load a page-controlled link URL with the System principal instead of the originating page's principal, allowing a malicious web page to place a link to a file URL that can load with System privileges when opened through either context-menu item and bypass the content-to-file security check that blocks an ordinary click. This issue is fixed in version 1.21.5b.

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