CVE-2026-18487

epiphany-browser: A flaw was found in Epiphany

CVE-2026-18487 is fixed in epiphany-browser on 1 platform by DEBIAN-CVE-2026-18487 (version 51~rc-1), released September 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0034
27th percentile

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.com:80@attacker.com/](https://trusted.com:80@attacker.com/)), the address bar and security menus will display the safe website (trusted.com) but it will actually load the attacker website (attacker.com) on the screen. This allows attackers to create convincing phishing pages to trick users into trusting a malicious site.

Where it's fixed

ProductFixed inFixReleased
Linux
epiphany-browser · Debian 14 51~rc-1 DEBIAN-CVE-2026-18487 Sep 4, 2026

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