Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak… (CVE-2026-17844)
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
AI Analysis
Technical Summary
The vulnerability CVE-2026-17844 involves insufficient validation of untrusted input in the Cast feature of Google Chrome versions before 151.0.7922.72. An attacker positioned on the local network segment can leverage this flaw to leak cross-origin data through malicious network traffic. This represents a medium severity security issue related to improper input validation (CWE-20). No CVSS score is provided, and no known exploits have been observed.
Potential Impact
An attacker on the same local network segment can exploit this vulnerability to leak cross-origin data, potentially exposing sensitive information across origins. This could undermine data confidentiality within the affected browser environment.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official browser update. Patch status beyond this version is not explicitly detailed, so users should monitor official vendor advisories for further updates.
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak… (CVE-2026-17844)
Description
Insufficient validation of untrusted input in Cast in Google Chrome prior to 151.0.7922.72 allowed an attacker on the local network segment to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)
CVSS v3.1
Score 4.3medium
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-17844 involves insufficient validation of untrusted input in the Cast feature of Google Chrome versions before 151.0.7922.72. An attacker positioned on the local network segment can leverage this flaw to leak cross-origin data through malicious network traffic. This represents a medium severity security issue related to improper input validation (CWE-20). No CVSS score is provided, and no known exploits have been observed.
Potential Impact
An attacker on the same local network segment can exploit this vulnerability to leak cross-origin data, potentially exposing sensitive information across origins. This could undermine data confidentiality within the affected browser environment.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official browser update. Patch status beyond this version is not explicitly detailed, so users should monitor official vendor advisories for further updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-c3wg-xg36-wxvj
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17844"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5189c2644c7f8981a93
Added to database: 07/30/2026, 05:46:00 UTC
Last enriched: 07/30/2026, 06:19:27 UTC
Last updated: 07/31/2026, 02:51:54 UTC
Views: 2
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