Google Chrome up to 146.0.7680.178 Navigation cross-domain policy

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
6.0$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Chrome. The affected element is an unknown function of the component Navigation. Such manipulation leads to cross-domain policy. This vulnerability is referenced as CVE-2026-5918. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome and classified as critical. Affected by this issue is an unknown part of the component Navigation. The manipulation with an unknown input leads to a cross-domain policy vulnerability. Using CWE to declare the problem leads to CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Inappropriate implementation in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

The advisory is available at chromereleases.googleblog.com. This vulnerability is handled as CVE-2026-5918 since 04/08/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/12/2026).

The vulnerability scanner Nessus provides a plugin with the ID 305712 (Linux Distros Unpatched Vulnerability : CVE-2026-5918), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 147.0.7727.55 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (305712) and CERT Bund (WID-SEC-2026-1030). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Fedora Linux
  • Microsoft Edge
  • Google Chrome

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 305712
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-5918

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 147.0.7727.55

Timelineinfo

04/08/2026 CVE reserved
04/09/2026 +1 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/12/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 490139
Status: Confirmed

CVE: CVE-2026-5918 (🔒)
GCVE (CVE): GCVE-0-2026-5918
GCVE (VulDB): GCVE-100-356450
CERT Bund: WID-SEC-2026-1030 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 04/09/2026 02:35
Updated: 04/12/2026 23:09
Changes: 04/09/2026 02:35 (22), 04/09/2026 02:36 (35), 04/12/2026 07:44 (7), 04/12/2026 23:09 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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