What’s Vulnerable › Vulnerabilities

CVE-2026-18809: Information disclosure in Firefox for Android and Firefox Focus for Android

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-04 · updated 2026-10-23
• Weakness: CWE-200

Description

Information disclosure in Firefox for Android and Firefox Focus for Android. This vulnerability was fixed in Firefox 153.0.3.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=2055683
• https://www.mozilla.org/security/advisories/mfsa2026-73/

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