diff --git a/compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
index 7e856cdc064..8a582dd9314 100644
--- a/compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests/org/jetbrains/kotlin/codegen/ir/FirBlackBoxCodegenTestGenerated.java
@@ -23938,6 +23938,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/reflection/functions/instanceOfFunction.kt");
             }
 
+            @TestMetadata("isAccessibleOnAllMembers.kt")
+            public void testIsAccessibleOnAllMembers() throws Exception {
+                runTest("compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt");
+            }
+
             @TestMetadata("javaClassGetFunctions.kt")
             public void testJavaClassGetFunctions() throws Exception {
                 runTest("compiler/testData/codegen/box/reflection/functions/javaClassGetFunctions.kt");
diff --git a/compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt b/compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt
new file mode 100644
index 00000000000..dfed40d9324
--- /dev/null
+++ b/compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt
@@ -0,0 +1,20 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_REFLECT
+
+import kotlin.reflect.jvm.isAccessible
+
+fun box(): String {
+    val members = Observer::class.members
+    for (member in members) {
+        member.isAccessible = true
+    }
+    return members.single { it.name == "result" }.call(Observer()) as String
+}
+
+class Observer : AutoCloseable {
+    override fun close() {
+    }
+
+    private fun result() = "OK"
+}
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
index e6cc56f08a7..6dcae302a26 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
@@ -25524,6 +25524,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/reflection/functions/instanceOfFunction.kt");
             }
 
+            @TestMetadata("isAccessibleOnAllMembers.kt")
+            public void testIsAccessibleOnAllMembers() throws Exception {
+                runTest("compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt");
+            }
+
             @TestMetadata("javaClassGetFunctions.kt")
             public void testJavaClassGetFunctions() throws Exception {
                 runTest("compiler/testData/codegen/box/reflection/functions/javaClassGetFunctions.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index 962e96c5339..27b7dc28ddd 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -24341,6 +24341,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/reflection/functions/instanceOfFunction.kt");
             }
 
+            @TestMetadata("isAccessibleOnAllMembers.kt")
+            public void testIsAccessibleOnAllMembers() throws Exception {
+                runTest("compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt");
+            }
+
             @TestMetadata("javaClassGetFunctions.kt")
             public void testJavaClassGetFunctions() throws Exception {
                 runTest("compiler/testData/codegen/box/reflection/functions/javaClassGetFunctions.kt");
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
index e259032337c..ede7f6ec53a 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
@@ -23938,6 +23938,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/reflection/functions/instanceOfFunction.kt");
             }
 
+            @TestMetadata("isAccessibleOnAllMembers.kt")
+            public void testIsAccessibleOnAllMembers() throws Exception {
+                runTest("compiler/testData/codegen/box/reflection/functions/isAccessibleOnAllMembers.kt");
+            }
+
             @TestMetadata("javaClassGetFunctions.kt")
             public void testJavaClassGetFunctions() throws Exception {
                 runTest("compiler/testData/codegen/box/reflection/functions/javaClassGetFunctions.kt");
diff --git a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KDeclarationContainerImpl.kt b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KDeclarationContainerImpl.kt
index 95efb814b59..a6a8de7b4f8 100644
--- a/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KDeclarationContainerImpl.kt
+++ b/core/reflection.jvm/src/kotlin/reflect/jvm/internal/KDeclarationContainerImpl.kt
@@ -184,7 +184,7 @@ internal abstract class KDeclarationContainerImpl : ClassBasedDeclarationContain
 
             // Static "$default" methods should be looked up in each DefaultImpls class, see KT-33430
             if (isStaticDefault) {
-                val defaultImpls = superInterface.classLoader.tryLoadClass(superInterface.name + JvmAbi.DEFAULT_IMPLS_SUFFIX)
+                val defaultImpls = superInterface.safeClassLoader.tryLoadClass(superInterface.name + JvmAbi.DEFAULT_IMPLS_SUFFIX)
                 if (defaultImpls != null) {
                     parameterTypes[0] = superInterface
                     defaultImpls.tryGetMethod(name, parameterTypes, returnType)?.let { return it }