CVE-2026-8951

MEDIUMNVD 6.56.5—

6.5

Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

CVSS v3: 6.5
EG Score: 6.5(high)
EPSS: 8.8%
KEV: Not listed

Published

May 19, 2026

Last Modified

May 20, 2026

References (2)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=2018513
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2026-46/

Vendor Advisories for CVE-2026-8951(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-p3qw-gcrh-3pq6
GitHub Security AdvisoriesMedium
Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in...

Frequently asked(5)

What is CVE-2026-8951?

CVE-2026-8951 is a medium vulnerability published on May 19, 2026. Spoofing issue in the Toolbar component in Firefox for Android. This vulnerability was fixed in Firefox 151.

When was CVE-2026-8951 disclosed?

CVE-2026-8951 was first published in the National Vulnerability Database on May 19, 2026, with the most recent update on May 20, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8951 actively exploited?

CVE-2026-8951 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8951?

CVE-2026-8951 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2026-8951?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8951, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-8951

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2026-8951(1)

❓ Frequently asked(5)