CVE-2026-13021
Google Chrome Same Origin Policy Bypass
Description
Inappropriate implementation in DeviceBoundSessionCredentials in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High)
INFO
Published Date :
June 24, 2026, 7:17 p.m.
Last Modified :
June 26, 2026, 2:19 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-13021
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Google Chrome to the latest version.
- Verify the browser is updated to 149.0.7827.197 or later.
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-2026-13021.
| URL | Resource |
|---|---|
| https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html | Vendor Advisory |
| https://issues.chromium.org/issues/511776603 | Permissions Required |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-13021 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-2026-13021
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-2026-13021 vulnerability anywhere in the article.
-
TheCyberThrone
Google Chrome 149 Security Update: 18 Vulnerabilities Patched
June 25, 2026Google has shipped a Stable Channel update fixing 18 security vulnerabilities in Chrome — four rated Critical, fourteen rated High. None of the 18 show evidence of active exploitation at ... Read more
The following table lists the changes that have been made to the
CVE-2026-13021 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.
-
Initial Analysis by [email protected]
Jun. 26, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* versions up to (excluding) 149.0.7827.197 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Added Reference Type Chrome: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html Types: Vendor Advisory Added Reference Type Chrome: https://issues.chromium.org/issues/511776603 Types: Permissions Required -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 24, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Added CWE CWE-346 Added SSVC {'id': 'CVE-2026-13021', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-24T19:26:57.003812Z'} -
New CVE Received by [email protected]
Jun. 24, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Google', 'product': 'Chrome', 'versions': [{'status': 'affected', 'version': '149.0.7827.197', 'lessThan': '149.0.7827.197', 'versionType': 'custom'}]}] Added Description Inappropriate implementation in DeviceBoundSessionCredentials in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: High) Added Reference https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html Added Reference https://issues.chromium.org/issues/511776603