EUVD-2026-40586
GHSA-4qhg-7v4f-qrrf
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
AC:H reflects the explicit prerequisite of a pre-compromised renderer process; AV:N and UI:R retained as delivery is network-based via crafted HTML requiring user interaction.
Primary rating from Vendor (google).
CVSS VectorVendor: google
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Lifecycle Timeline
4DescriptionCVE.org
Inappropriate implementation in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)
AnalysisAI
Navigation restriction bypass in Google Chrome's Chromecast implementation (versions prior to 150.0.7871.47) allows a remote attacker who has already compromised the renderer process to circumvent navigation restrictions via a specially crafted HTML page. This is a post-compromise escalation primitive rather than a standalone entry point - the renderer must already be under attacker control, making this a link in an exploit chain rather than an initial access vector. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the attacker has already achieved code execution within the Chrome renderer process via a separate, independent vulnerability - this is an explicit prerequisite stated in the CVE description, not an inference. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N, score 6.5) reflects a network-delivered attack with no privileges required and high integrity impact, but the description explicitly conditions exploitation on a pre-compromised renderer process - a non-trivial prerequisite that meaningfully raises the real-world bar above what AC:L implies. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker first exploits a separate, unpatched Chrome renderer vulnerability to achieve code execution within a Chrome renderer process on the target system. With that foothold established, they cause the victim's browser to load a crafted HTML page - potentially via an injected redirect or modified navigation - that triggers the Chromecast implementation flaw, bypassing navigation restrictions and enabling integrity violations such as cross-origin navigation or unauthorized content rendering that would otherwise be blocked by Chrome's browser-process enforcement. |
| Remediation | Update Google Chrome to version 150.0.7871.47 or later immediately via the browser's built-in update mechanism (Settings > Help > About Google Chrome) or via enterprise deployment tooling. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-20 – Improper Input Validation
View allSame technique Authentication Bypass
View allVendor StatusVendor
SUSE
Severity: Moderate| Product | Status |
|---|---|
| SUSE Package Hub 15 SP7 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP7 | Affected |
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External POC / Exploit Code
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