Vulnerability in Gnome Epiphany

CVE-2026-18487

A flaw was found in Epiphany. An issue in how the browser reads web addresses allows attackers to fake the domain name shown in the address bar. If a user clicks a specially crafted link containing a colon (for example, [https://trusted.co…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18487?
CVE-2026-18487 is a medium-severity vulnerability in Gnome Epiphany, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 5.4/10. Published 2026-08-06.
How severe is CVE-2026-18487?
Medium severity. CVSS v3 base score is 5.4 out of 10.