Google Chrome up to 147.0.7727.138 Cast cross-domain policy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4$5k-$25k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Google Chrome. This affects an unknown function of the component Cast. This manipulation causes cross-domain policy. The identification of this vulnerability is CVE-2026-8005. The attack needs to be done within the local network. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Chrome. It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the component Cast. The manipulation with an unknown input leads to a cross-domain policy vulnerability. The CWE definition for the vulnerability is CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. As an impact it is known to affect integrity. The summary by CVE is:

Insufficient validation of untrusted input in Cast in Google Chrome prior to 148.0.7778.96 allowed an attacker on the local network segment to bypass same origin policy via malicious network traffic. (Chromium security severity: Low)

It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is known as CVE-2026-8005 since 05/06/2026. The exploitation appears to be easy. The attack can only be initiated within the local network. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/07/2026).

Upgrading to version 148.0.7778.96 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-28113). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-domain policy
CWE: CWE-942 / CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.96

Timelineinfo

05/06/2026 Advisory disclosed
05/06/2026 +0 days CVE reserved
05/06/2026 +0 days VulDB entry created
05/07/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 496298
Status: Confirmed

CVE: CVE-2026-8005 (🔒)
GCVE (CVE): GCVE-0-2026-8005
GCVE (VulDB): GCVE-100-361699
EUVD: 🔒

Entryinfo

Created: 05/06/2026 21:49
Updated: 05/07/2026 03:15
Changes: 05/06/2026 21:49 (57), 05/07/2026 03:15 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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