diff --git a/src/dawn/native/opengl/ContextEGL.cpp b/src/dawn/native/opengl/ContextEGL.cpp
index 7f25852c1b8..6a057cb030e 100644
--- a/src/dawn/native/opengl/ContextEGL.cpp
+++ b/src/dawn/native/opengl/ContextEGL.cpp
@@ -54,6 +54,11 @@
 #define EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE 0x3481
 #endif
 
+// https://chromium.googlesource.com/angle/angle/+/main/extensions/EGL_ANGLE_create_context_webgl_compatibility.txt
+#ifndef EGL_CONTEXT_HARDENED_ANGLE
+#define EGL_CONTEXT_HARDENED_ANGLE 0x34F8
+#endif
+
 namespace dawn::native::opengl {
 
 namespace {
@@ -191,6 +196,16 @@ MaybeError ContextEGL::Initialize(wgpu::BackendType backend,
         AddAttrib(EGL_CONTEXT_VIRTUALIZATION_GROUP_ANGLE, angleVirtualizationGroup);
     }
 
+    // Dawn's GL backend feeds Tint-generated GLSL (which can declare std430
+    // SSBO types up to ~4 GiB) into ANGLE. Request a hardened ANGLE context so
+    // that ANGLE enables rejectWebglShadersWithLargeVariables and rejects such
+    // shaders before forwarding them to the native driver. This mirrors the
+    // protection that Chrome's GLES2 command-buffer applies to all non-WebGL
+    // passthrough contexts (gpu/command_buffer/service/service_utils.cc).
+    if (egl.HasExt(EGLExt::ANGLECreateContextWebGLCompatibility)) {
+        AddAttrib(EGL_CONTEXT_HARDENED_ANGLE, EGL_TRUE);
+    }
+
     // The attrib list is finished with an EGL_NONE tag.
     attribs.push_back(EGL_NONE);
 
diff --git a/src/dawn/native/opengl/EGLFunctions.cpp b/src/dawn/native/opengl/EGLFunctions.cpp
index 3e1c7e670d5..297ed1d2399 100644
--- a/src/dawn/native/opengl/EGLFunctions.cpp
+++ b/src/dawn/native/opengl/EGLFunctions.cpp
@@ -97,6 +97,8 @@ static constexpr std::array<ExtensionInfo, kExtensionCount> kExtensionInfos{{
      NeverPromoted, ExtType::Display},
     {EGLExt::ANGLEContextVirtualization, "EGL_ANGLE_context_virtualization", NeverPromoted,
      ExtType::Display},
+    {EGLExt::ANGLECreateContextWebGLCompatibility,
+     "EGL_ANGLE_create_context_webgl_compatibility", NeverPromoted, ExtType::Display},
     //
 }};
 
diff --git a/src/dawn/native/opengl/EGLFunctions.h b/src/dawn/native/opengl/EGLFunctions.h
index b0c9d4dde9d..78cbe69a3f9 100644
--- a/src/dawn/native/opengl/EGLFunctions.h
+++ b/src/dawn/native/opengl/EGLFunctions.h
@@ -69,6 +69,7 @@ enum class EGLExt : uint32_t {
     ANGLECreateContextBackwardsCompatible,  // EGL_ANGLE_create_context_backwards_compatible
     ANGLECreateContextExtensionsEnabled,    // EGL_ANGLE_create_context_extensions_enabled
     ANGLEContextVirtualization,             // EGL_ANGLE_context_virtualization
+    ANGLECreateContextWebGLCompatibility,   // EGL_ANGLE_create_context_webgl_compatibility
 
     EnumCount,
 };