Inappropriate implementation in ANGLE in Google Chrome prior to 146.0.7680.178 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 146.0.7680.178
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<!--
PoC for CVE-2026-5283: ANGLE Cross-Origin Data Leak
This is a conceptual exploit demonstrating the vulnerability in Chrome's ANGLE implementation.
-->
<!DOCTYPE html>
<html>
<head>
<title>CVE-2026-5283 PoC</title>
</head>
<body>
<canvas id="glCanvas"></canvas>
<script>
// Create WebGL context to trigger ANGLE implementation
const canvas = document.getElementById('glCanvas');
const gl = canvas.getContext('webgl');
if (!gl) {
console.log("WebGL not supported");
} else {
// Setup crafted shader or texture operation
// that triggers the inappropriate implementation
const vertexShaderSource = `
attribute vec4 aVertexPosition;
void main() {
gl_Position = aVertexPosition;
}
`;
// In a real exploit, this fragment shader would be crafted
// to read memory or cause a leak via side-channel
const fragmentShaderSource = `
void main() {
gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
}
`;
// Compile and link shaders (boilerplate for PoC)
// ... (omitted for brevity in conceptual example)
// The exploit would involve reading pixels or measuring
// execution time to infer cross-origin data.
console.log("Context created. Exploit logic would execute here.");
}
</script>
</body>
</html>