CVE-2026-8951

Spoofing issue in the Toolbar component in Firefox for Android

MEDIUM

6.5

CVSS Score

Published: May 19, 2026 at 12:29 PM UTC

Updated: October 14, 2026 at 08:10 PM UTC

1 product affected across 1 vendorFirefox

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox · Mozilla

95%

v < 151.0.0

Vendor states this is fixed in 151 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.mozilla.org/security/advisories/mfsa2026-46/

References (2)

Permissions Required

Source: cverecord

https://bugzilla.mozilla.org/show_bug.cgi?id=2018513

Vendor Advisory

Source: cverecord

https://www.mozilla.org/security/advisories/mfsa2026-46/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-290

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