diff --git a/conf/config.neon b/conf/config.neon
index ff97f0c932..39e5b8a3d9 100644
--- a/conf/config.neon
+++ b/conf/config.neon
@@ -486,6 +486,7 @@ services:
 			implicitThrows: %exceptions.implicitThrows%
 			treatPhpDocTypesAsCertain: %treatPhpDocTypesAsCertain%
 			detectDeadTypeInMultiCatch: %featureToggles.detectDeadTypeInMultiCatch%
+			universalObjectCratesClasses: %universalObjectCratesClasses%
 
 	-
 		class: PHPStan\Analyser\ConstantResolver
@@ -1916,6 +1917,7 @@ services:
 		class: PHPStan\Reflection\BetterReflection\BetterReflectionProvider
 		arguments:
 			reflector: @betterReflectionReflector
+			universalObjectCratesClasses: %universalObjectCratesClasses%
 		autowired: false
 
 	-
@@ -1931,6 +1933,8 @@ services:
 
 	-
 		implement: PHPStan\Reflection\BetterReflection\BetterReflectionProviderFactory
+		arguments:
+			universalObjectCratesClasses: %universalObjectCratesClasses%
 
 	-
 		class: PHPStan\Reflection\BetterReflection\SourceStubber\PhpStormStubsSourceStubberFactory
diff --git a/conf/config.stubValidator.neon b/conf/config.stubValidator.neon
index 6c4c8bde25..1645698a92 100644
--- a/conf/config.stubValidator.neon
+++ b/conf/config.stubValidator.neon
@@ -20,6 +20,7 @@ services:
 		class: PHPStan\Reflection\BetterReflection\BetterReflectionProvider
 		arguments:
 			reflector: @stubReflector
+			universalObjectCratesClasses: %universalObjectCratesClasses%
 		autowired: false
 
 	stubReflector:
diff --git a/src/Analyser/NodeScopeResolver.php b/src/Analyser/NodeScopeResolver.php
index e2df562722..99c91dd495 100644
--- a/src/Analyser/NodeScopeResolver.php
+++ b/src/Analyser/NodeScopeResolver.php
@@ -205,6 +205,7 @@ class NodeScopeResolver
 	/**
 	 * @param string[][] $earlyTerminatingMethodCalls className(string) => methods(string[])
 	 * @param array<int, string> $earlyTerminatingFunctionCalls
+	 * @param string[] $universalObjectCratesClasses
 	 */
 	public function __construct(
 		private readonly ReflectionProvider $reflectionProvider,
@@ -226,6 +227,7 @@ public function __construct(
 		private readonly bool $polluteScopeWithAlwaysIterableForeach,
 		private readonly array $earlyTerminatingMethodCalls,
 		private readonly array $earlyTerminatingFunctionCalls,
+		private readonly array $universalObjectCratesClasses,
 		private readonly bool $implicitThrows,
 		private readonly bool $treatPhpDocTypesAsCertain,
 		private readonly bool $detectDeadTypeInMultiCatch,
@@ -1707,6 +1709,7 @@ private function createAstClassReflection(Node\Stmt\ClassLike $stmt, string $cla
 			null,
 			null,
 			null,
+			$this->universalObjectCratesClasses,
 			sprintf('%s:%d', $scope->getFile(), $stmt->getStartLine()),
 		);
 	}
diff --git a/src/Reflection/BetterReflection/BetterReflectionProvider.php b/src/Reflection/BetterReflection/BetterReflectionProvider.php
index 6160c3095d..c23953561b 100644
--- a/src/Reflection/BetterReflection/BetterReflectionProvider.php
+++ b/src/Reflection/BetterReflection/BetterReflectionProvider.php
@@ -68,6 +68,9 @@ class BetterReflectionProvider implements ReflectionProvider
 	/** @var array<string, GlobalConstantReflection> */
 	private array $cachedConstants = [];
 
+	/**
+	 * @param string[] $universalObjectCratesClasses
+	 */
 	public function __construct(
 		private ReflectionProvider\ReflectionProviderProvider $reflectionProviderProvider,
 		private InitializerExprTypeResolver $initializerExprTypeResolver,
@@ -84,6 +87,7 @@ public function __construct(
 		private FileHelper $fileHelper,
 		private PhpStormStubsSourceStubber $phpstormStubsSourceStubber,
 		private SignatureMapProvider $signatureMapProvider,
+		private array $universalObjectCratesClasses,
 	)
 	{
 	}
@@ -144,6 +148,7 @@ public function getClass(string $className): ClassReflection
 			null,
 			null,
 			$this->stubPhpDocProvider->findClassPhpDoc($reflectionClass->getName()),
+			$this->universalObjectCratesClasses,
 		);
 
 		$this->classReflections[$reflectionClassName] = $classReflection;
@@ -221,6 +226,7 @@ public function getAnonymousClassReflection(Node\Stmt\Class_ $classNode, Scope $
 			$scopeFile,
 			null,
 			$this->stubPhpDocProvider->findClassPhpDoc($className),
+			$this->universalObjectCratesClasses,
 		);
 		$this->classReflections[$className] = self::$anonymousClasses[$className];
 
diff --git a/src/Reflection/ClassReflection.php b/src/Reflection/ClassReflection.php
index f078b1b2d2..1644acc459 100644
--- a/src/Reflection/ClassReflection.php
+++ b/src/Reflection/ClassReflection.php
@@ -26,6 +26,7 @@
 use PHPStan\PhpDoc\Tag\TypeAliasTag;
 use PHPStan\Reflection\Php\PhpClassReflectionExtension;
 use PHPStan\Reflection\Php\PhpPropertyReflection;
+use PHPStan\Reflection\Php\UniversalObjectCratesClassReflectionExtension;
 use PHPStan\Reflection\SignatureMap\SignatureMapProvider;
 use PHPStan\ShouldNotHappenException;
 use PHPStan\Type\CircularTypeAliasDefinitionException;
@@ -45,7 +46,6 @@
 use PHPStan\Type\TypehintHelper;
 use PHPStan\Type\VerbosityLevel;
 use ReflectionException;
-use stdClass;
 use function array_diff;
 use function array_filter;
 use function array_key_exists;
@@ -131,6 +131,7 @@ class ClassReflection
 	 * @param PropertiesClassReflectionExtension[] $propertiesClassReflectionExtensions
 	 * @param MethodsClassReflectionExtension[] $methodsClassReflectionExtensions
 	 * @param AllowedSubTypesClassReflectionExtension[] $allowedSubTypesClassReflectionExtensions
+	 * @param string[] $universalObjectCratesClasses
 	 */
 	public function __construct(
 		private ReflectionProvider $reflectionProvider,
@@ -148,6 +149,7 @@ public function __construct(
 		private ?string $anonymousFilename,
 		private ?TemplateTypeMap $resolvedTemplateTypeMap,
 		private ?ResolvedPhpDocBlock $stubPhpDocBlock,
+		private array $universalObjectCratesClasses,
 		private ?string $extraCacheKey = null,
 		private ?TemplateTypeVarianceMap $resolvedCallSiteVarianceMap = null,
 	)
@@ -389,7 +391,11 @@ public function allowsDynamicProperties(): bool
 			return false;
 		}
 
-		if ($this->is(stdClass::class)) {
+		if (UniversalObjectCratesClassReflectionExtension::isUniversalObjectCrate(
+			$this->reflectionProvider,
+			$this->universalObjectCratesClasses,
+			$this,
+		)) {
 			return true;
 		}
 
@@ -1412,6 +1418,7 @@ public function withTypes(array $types): self
 			$this->anonymousFilename,
 			$this->typeMapFromList($types),
 			$this->stubPhpDocBlock,
+			$this->universalObjectCratesClasses,
 			null,
 			$this->resolvedCallSiteVarianceMap,
 		);
@@ -1438,6 +1445,7 @@ public function withVariances(array $variances): self
 			$this->anonymousFilename,
 			$this->resolvedTemplateTypeMap,
 			$this->stubPhpDocBlock,
+			$this->universalObjectCratesClasses,
 			null,
 			$this->varianceMapFromList($variances),
 		);
diff --git a/src/Testing/RuleTestCase.php b/src/Testing/RuleTestCase.php
index 97b06fd99b..3880319684 100644
--- a/src/Testing/RuleTestCase.php
+++ b/src/Testing/RuleTestCase.php
@@ -99,6 +99,7 @@ private function getAnalyser(): Analyser
 				$this->shouldPolluteScopeWithAlwaysIterableForeach(),
 				[],
 				[],
+				self::getContainer()->getParameter('universalObjectCratesClasses'),
 				self::getContainer()->getParameter('exceptions')['implicitThrows'],
 				$this->shouldTreatPhpDocTypesAsCertain(),
 				self::getContainer()->getParameter('featureToggles')['detectDeadTypeInMultiCatch'],
diff --git a/src/Testing/TypeInferenceTestCase.php b/src/Testing/TypeInferenceTestCase.php
index f3698ca115..108c49541c 100644
--- a/src/Testing/TypeInferenceTestCase.php
+++ b/src/Testing/TypeInferenceTestCase.php
@@ -66,6 +66,7 @@ public static function processFile(
 			true,
 			static::getEarlyTerminatingMethodCalls(),
 			static::getEarlyTerminatingFunctionCalls(),
+			self::getContainer()->getParameter('universalObjectCratesClasses'),
 			true,
 			self::getContainer()->getParameter('treatPhpDocTypesAsCertain'),
 			self::getContainer()->getParameter('featureToggles')['detectDeadTypeInMultiCatch'],
diff --git a/tests/PHPStan/Analyser/AnalyserTest.php b/tests/PHPStan/Analyser/AnalyserTest.php
index c830112b81..ef1ee421c3 100644
--- a/tests/PHPStan/Analyser/AnalyserTest.php
+++ b/tests/PHPStan/Analyser/AnalyserTest.php
@@ -22,6 +22,7 @@
 use PHPStan\Rules\Properties\ReadWritePropertiesExtensionProvider;
 use PHPStan\Testing\PHPStanTestCase;
 use PHPStan\Type\FileTypeMapper;
+use stdClass;
 use function array_map;
 use function array_merge;
 use function assert;
@@ -643,6 +644,7 @@ private function createAnalyser(bool $reportUnmatchedIgnoredErrors): Analyser
 			true,
 			[],
 			[],
+			[stdClass::class],
 			true,
 			$this->shouldTreatPhpDocTypesAsCertain(),
 			self::getContainer()->getParameter('featureToggles')['detectDeadTypeInMultiCatch'],