CVE-2026-94181
Address Bar Spoof Risk; Missing Fullscreen Notification via Select Element
Description
An address bar spoofing issue in affected versions of Arc could allow an attacker to spoof the browser address bar via a <select> element that triggers requestFullscreen without displaying the fullscreen notification.
INFO
Published Date :
Sept. 23, 2026, 7:19 p.m.
Last Modified :
Sept. 23, 2026, 8:17 p.m.
Remotely Exploit :
Yes !
Source :
59469e6c-7ea7-446f-8e43-06aa32c115e8
Affected Products
The following products are affected by CVE-2026-94181
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 59469e6c-7ea7-446f-8e43-06aa32c115e8 |
Solution
- Update Arc browser to the latest version.
- Apply vendor patches as they become available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-94181.
| URL | Resource |
|---|---|
| https://arc.net/security/bulletins#cve-2026-94181-address-bar-spoof-risk-missing-fullscreen-notification-via-select-element | |
| https://hackerone.com/reports/3711701 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-94181 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-94181
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-94181 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-94181 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Sep. 23, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-94181', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-23T19:35:29.822010Z'} -
New CVE Received by 59469e6c-7ea7-446f-8e43-06aa32c115e8
Sep. 23, 2026
Action Type Old Value New Value Added Description An address bar spoofing issue in affected versions of Arc could allow an attacker to spoof the browser address bar via a <select> element that triggers requestFullscreen without displaying the fullscreen notification. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N Added CWE CWE-451 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/94xxx/CVE-2026-94181.json">CVE-2026-94181</a> Added Reference https://arc.net/security/bulletins#cve-2026-94181-address-bar-spoof-risk-missing-fullscreen-notification-via-select-element Added Reference https://hackerone.com/reports/3711701