CVE-2026-6765
Received Received - Intake
Information Disclosure in Firefox Form Autofill Component

Publication date: 2026-04-21

Last updated on: 2026-04-22

Assigner: Mozilla Corporation

Description
Information disclosure in the Form Autofill component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
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Meta Information
Published
2026-04-21
Last Modified
2026-04-22
Generated
2026-06-16
AI Q&A
2026-04-21
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6765
EUVD
EUVD-2026-24106
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox to 150.0 (exc)
mozilla firefox to 140.10.0 (exc)
mozilla thunderbird to 140.10.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-359 The product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected.
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Executive Summary

This vulnerability is an information disclosure issue in the Form Autofill component of Mozilla Firefox. It could potentially allow unauthorized access to information that is automatically filled into forms by the browser.

The issue was addressed and fixed in Firefox version 150 and Firefox ESR 140.10.

Impact Analysis

This vulnerability could lead to unauthorized disclosure of personal or sensitive information that the browser autofills into web forms, potentially exposing user data to attackers.

Mitigation Strategies

To mitigate this vulnerability, update your Firefox browser to version 150 or later, or Firefox ESR to version 140.10 or later, where the issue has been fixed.

Compliance Impact

This vulnerability involves information disclosure in the Form Autofill component, which could potentially expose user data.

Information disclosure vulnerabilities can impact compliance with data protection regulations such as GDPR and HIPAA, as these standards require safeguarding personal and sensitive information from unauthorized access.

However, specific details on how this vulnerability affects compliance with these standards are not provided in the available information.

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