Zen-Browser

5 CVEs across 1 Zen-Browser products. Browse Zen-Browser vulnerabilities, severities, and proof-of-concept exploits.

Zen-Browser products with known CVEs

ProductCVEs
Desktop5
Zen-Browser CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-451502026-07-15Zen is a firefox-based browser. Prior to 1.19.13b, Zen Browser did not provide a persistent, clearly visible security notification when a webpage entered fulls…
CVE-2026-57501Unrated2026-07-09Zen 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-…
CVE-2026-44659Medium4.72026-05-11Zen is a firefox-based browser. Prior to 1.19.12b, the ZEN Browser incorrectly truncates long hostnames in the address bar and shows only the attacker-controll…
CVE-2026-44658Low2.42026-05-11Zen is a firefox-based browser. Prior to 1.19.12b, RSS feed URLs entered by the user are validated to http: or https: in promptForFeedUrl, but item links insid…
CVE-2026-41431High8.02026-05-11Zen is a firefox-based browser. Prior to 1.19.9b, Zen Browser ships a Mozilla Application Resource (MAR) updater (org.mozilla.updater) that has had all MAR sig…