Is CVE-2026-2919 in the CISA KEV catalog?

No. CVE-2026-2919 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-2919?

CVE-2026-2919 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2026-2919?

CVE-2026-2919 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2919?

Upgrade firefox focus to 148.2 or later.

CVE & CISA-KEV Catalog

CVE-2026-2919

MEDIUM

4.3

CVSS v3

NVD

Description

Malicious scripts could display attacker-controlled web content under spoofed domains in Focus for iOS by stalling a _self navigation to an invalid port and triggering an iframe redirect, causing the UI to display a trusted domain without user interaction. This vulnerability was fixed in Focus for iOS 148.2.

CWE-451

How to fix

Remediation Available

firefox focusNVD

Affected:< 148.2Fixed in:148.2CVE-2026-2919derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Other references1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-451 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-38112	High	7.5	84%	KEV	Fix
CVE-2025-9491	High	7.8	63%	-	-
CVE-2024-43461	High	8.8	52%	KEV	Fix
CVE-2024-38197	Medium	6.5	16%	-	-
CVE-2026-21527	High	6.5	9.5%	-	Fix
CVE-2024-49040	High	7.5	7.7%	-	Fix

Embed a live status badge for CVE-2026-2919

Markdown

[![CVE-2026-2919](https://tridentstack.com/cve/badge/CVE-2026-2919.svg)](https://tridentstack.com/cve/CVE-2026-2919)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-2919"><img src="https://tridentstack.com/cve/badge/CVE-2026-2919.svg" alt="CVE-2026-2919"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.