zen-browser

Records5All Threatist records

Exploited (KEV)0None in CISA KEV

CVSS critical0CVSS 9.0–10.0

CVSS high1CVSS 7.0–8.9

Exploited now

zen-browser records in CISA KEV

No zen-browser vulnerabilities are listed in CISA KEV.

Records

5 records

TI-2026-30030 CVE-2026-41431

Zen Browser MAR updater ships with signature verification removed — unsigned updates accepted

HIGH 70

Zen is a firefox-based browser.

CVSS 3.1HIGH 8.0 Network High privileges No interaction EPSS 0.00199 Published 2026-05-11 Fixed in 1.19.9b CWE-347

TI-2026-32978 CVE-2026-45150

Zen Browser - Missing Fullscreen Security Notification Allows Origin Spoofing

HIGH 67

Zen is a firefox-based browser.

CVSS 4.0MEDIUM 6.3 Network No auth User interaction EPSS 0.00314 Published 2026-07-15 Fixed in 1.19.13b CWE-451

TI-2026-32559 CVE-2026-44659

Zen Browser Mac - Address Bar Spoofing via Long Subdomain

LOW 21

Zen is a firefox-based browser.

CVSS 3.1MEDIUM 4.7 Network No auth User interaction EPSS 0.00164 Published 2026-05-11 Fixed in 1.19.12b CWE-451

TI-2026-32558 CVE-2026-44658

Zen Browser: RSS Live-Folder Item URLs Are Not Scheme-Restricted Before Trusted Tab Creation

LOW 12

Zen is a firefox-based browser.

CVSS 3.1LOW 2.4 Network High privileges User interaction EPSS 0.00157 Published 2026-05-11 Fixed in 1.19.12b CWE-20

TI-2026-41404 CVE-2026-57501

Zen: Context-menu "Open link in glance" / "Split link in new tab" loads a page-controlled…

LOW 3

Zen is a firefox-based browser.

CVSS 3.1N/A 0.0 Network No auth User interaction EPSS 0.00506 Published 2026-07-09 Fixed in 1.21.5b CWE-266

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