EUVD-2026-50593
GHSA-c3wg-xg36-wxvj
Severity by source
Sources disagree (Medium–Critical)AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Adjacent network vector reflects Cast protocol's LAN-only scope; C:L only as impact is cross-origin data leakage with no integrity or availability consequence.
vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.
CVSS VectorVendor: Chrome
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
4DescriptionCVE.org
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)
AnalysisAI
Cross-origin data leakage in Google Chrome's Cast subsystem (versions prior to 151.0.7922.72) allows unauthenticated attackers on the same local network segment to extract sensitive cross-origin browser data via crafted network traffic. The insufficient input validation in the Cast component bypasses browser isolation boundaries, exposing data from origins the victim is actively browsing. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to be on the same local network segment as the target Chrome user (AV:A) - this is the primary limiting condition. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.3 (Medium) rating is well-calibrated for this issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker connected to the same Wi-Fi network or LAN segment as a Chrome user - for example, on a shared corporate guest network or public hotspot - crafts and transmits malicious Cast protocol network traffic toward the victim's Chrome browser. The insufficient validation in Chrome's Cast component processes the malformed packets and inadvertently exposes cross-origin data from the victim's active browsing session, potentially revealing authentication tokens, page content, or other sensitive information from origins the victim is accessing. … |
| Remediation | The primary remediation is to update Google Chrome to version 151.0.7922.72 or later, as documented in the stable channel update advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-20 – Improper Input Validation
View allSame technique Information Disclosure
View allVendor StatusVendor
SUSE
Severity: Critical| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Leap 16.0 | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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