Vulnerability Database

324,829

Total vulnerabilities in the database

CVE-2026-2803

Information disclosure, mitigation bypass in the Settings UI component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

  • Published: Feb 24, 2026
  • Updated: Feb 26, 2026
  • CVE: CVE-2026-2803
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

No CWE or OWASP classifications available.

Software From Fixed in
mozilla / firefox - 148.0
mozilla / thunderbird - 148.0