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CVE-2026-57501

0.0 · NONE

Zen is a firefox-based browser.

Published Jul 9, 2026CWE-266EPSS 0.51%

Overview

CVE-2026-57501 is a none-severity vulnerability. It was published on July 9, 2026 and has a CVSS 3.1 base score of 0.0 (NONE).

This vulnerability has a CVSS 3.1 base score of 0.0, rated NONE. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/zen-browser/desktop/commit/44f7616238208200547c7df500d945752d7b6379GitHubgithub.com/zen-browser/desktop/releases/tag/1.21.5bGitHubgithub.com/zen-browser/desktop/security/advisories/GHSA-vpvg-hp3v-rm5q

How CyberStrike helps

Frequently asked questions

What is CVE-2026-57501?

CVE-2026-57501 is a none-severity vulnerability. It was published on July 9, 2026 and has a CVSS 3.1 base score of 0.0 (NONE).

How severe is CVE-2026-57501?

This vulnerability has a CVSS 3.1 base score of 0.0, rated NONE. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-57501?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-57501?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-57501 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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