CVE-2026-100823

Spoofing issue in the Downloads component in Firefox for Android

Published Sep 29, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mozilla firefox Mobile
CPEs cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*
Vendors & Products Mozilla firefox Mobile
Type Values Removed Values Added
Weaknesses CWE-451
Type Values Removed Values Added
Weaknesses CWE-200
CWE-601
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-200
CWE-264
Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Vendors & Products Mozilla
Mozilla firefox
Type Values Removed Values Added
Weaknesses CWE-200
CWE-264
Type Values Removed Values Added
Description Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
Title Spoofing issue in the Downloads component in Firefox for Android
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Oct 1, 2026, 10:50 AM
Reserved
Sep 26, 2026, 7:18 PM
Status
Analyzed
Published
Sep 29, 2026, 1:17 PM
Modified
Oct 5, 2026, 4:58 PM