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Epiphany browser: [Use a user message to trigger form autofill] (CVE-2026-77682)

0
Medium
Published: 08/27/2026 (08/27/2026, 00:00:00 UTC)
Source: GCVE Database
Product: epiphany-browser

Description

CVE-2026-77682 is a medium severity vulnerability in the Epiphany browser that involves triggering form autofill using a user message. It affects multiple specific versions of the Epiphany browser. No CVSS score is provided, and no known exploits are reported in the wild.

Affected software

Ubuntu:16.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=xenial
Affected versions
=3.16.3-1ubuntu1=3.18.0-1ubuntu2=3.18.1-1ubuntu1=3.18.3-0ubuntu1=3.18.5-0ubuntu1=3.18.5-0ubuntu1.1=3.18.10-0ubuntu1=3.18.11-0ubuntu1
Ubuntu:18.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=bionic
Affected versions
=3.26.1-1ubuntu1=3.26.1-1ubuntu2=3.26.1-1ubuntu4=3.26.5.1-1ubuntu1=3.27.90-1ubuntu1=3.28.0.1-1ubuntu1=3.28.1-1ubuntu1=3.28.5-0ubuntu1=3.28.6-0ubuntu1
Ubuntu:20.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=focal
Affected versions
=3.34.1-1=3.34.1-1build1=3.36.0-1=3.36.1-1=3.36.2-0ubuntu1=3.36.3-0ubuntu1=3.36.4-0ubuntu1=3.36.4-0ubuntu2
Ubuntu:22.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=jammy
Affected versions
=41.0-1=41.0-2=41.2-1=41.3-1=42~beta-1=42.0-1=42.1-1=42.1-1ubuntu1=42.4-0ubuntu1
Ubuntu:24.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=noble
Affected versions
=45.0-1=45.1-1=46~alpha-1=46~beta-1=46.0-1=46.0-2build1=46.5-0ubuntu1
Ubuntu:26.10more threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=stonking
Affected versions
=49.2-3ubuntu1=50.4-1=50.4-2
Ubuntu:26.04:LTSmore threats →ghsa
epiphany-browser
pkg:deb/ubuntu/epiphany-browser?arch=source&distro=resolute
Affected versions
=48.5-3=49.1-1=49.2-1=49.2-2=49.2-3=49.2-3ubuntu1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/17/2026, 23:40:57 UTC

Technical Analysis

This vulnerability in the Epiphany browser allows an attacker to use a user message to trigger the browser's form autofill functionality. The exact technical details are limited, but the issue involves unintended autofill activation potentially caused by crafted user messages. The vulnerability affects numerous specific versions of the Epiphany browser as listed, spanning multiple Ubuntu releases.

Potential Impact

The impact is categorized as medium severity. The vulnerability could lead to unintended form autofill actions, which might expose sensitive user data or cause privacy concerns. There are no reports of active exploitation in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor vendor communications for updates and apply patches once available.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
UBUNTU-CVE-2026-77682
Osv Schema Version
1.7.0
Ecosystems
["Ubuntu:16.04:LTS","Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]

Threat ID: 6ad3f5752cdf04f656662134

Added to database: 10/17/2026, 22:23:49 UTC

Last enriched: 10/17/2026, 23:40:57 UTC

Last updated: 10/17/2026, 23:40:57 UTC

Views: 2

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