diff --git a/libs/common/src/vault/models/view/cipher.view.ts b/libs/common/src/vault/models/view/cipher.view.ts
index d047ab788f9..edd7eb5b72b 100644
--- a/libs/common/src/vault/models/view/cipher.view.ts
+++ b/libs/common/src/vault/models/view/cipher.view.ts
@@ -282,7 +282,21 @@ export class CipherView implements View, InitializerMetadata {
     cipherView.folderId = uuidAsString(obj.folderId);
     cipherView.name = obj.name;
     cipherView.notes = obj.notes;
-    cipherView.type = obj.type;
+
+    // SDK returns type as a discriminated union object, extract the actual CipherType
+    const sdkType = (obj.type as any) ?? { login: {} };
+    if ("login" in sdkType) {
+      cipherView.type = CipherType.Login;
+    } else if ("card" in sdkType) {
+      cipherView.type = CipherType.Card;
+    } else if ("identity" in sdkType) {
+      cipherView.type = CipherType.Identity;
+    } else if ("secureNote" in sdkType) {
+      cipherView.type = CipherType.SecureNote;
+    } else if ("sshKey" in sdkType) {
+      cipherView.type = CipherType.SshKey;
+    }
+
     cipherView.favorite = obj.favorite;
     cipherView.organizationUseTotp = obj.organizationUseTotp;
     cipherView.permissions = obj.permissions
@@ -291,12 +305,21 @@ export class CipherView implements View, InitializerMetadata {
     cipherView.edit = obj.edit;
     cipherView.viewPassword = obj.viewPassword;
     cipherView.localData = fromSdkLocalData(obj.localData);
+    // Convert iterables to arrays to ensure .map() works
     cipherView.attachments =
-      obj.attachments?.map((a) => AttachmentView.fromSdkAttachmentView(a)!) ?? [];
-    cipherView.fields = obj.fields?.map((f) => FieldView.fromSdkFieldView(f)!) ?? [];
+      obj.attachments != null
+        ? Array.from(obj.attachments).map((a) => AttachmentView.fromSdkAttachmentView(a)!)
+        : [];
+    cipherView.fields =
+      obj.fields != null ? Array.from(obj.fields).map((f) => FieldView.fromSdkFieldView(f)!) : [];
     cipherView.passwordHistory =
-      obj.passwordHistory?.map((ph) => PasswordHistoryView.fromSdkPasswordHistoryView(ph)!) ?? [];
-    cipherView.collectionIds = obj.collectionIds?.map((i) => uuidAsString(i)) ?? [];
+      obj.passwordHistory != null
+        ? Array.from(obj.passwordHistory).map(
+            (ph) => PasswordHistoryView.fromSdkPasswordHistoryView(ph)!,
+          )
+        : [];
+    cipherView.collectionIds =
+      obj.collectionIds != null ? Array.from(obj.collectionIds).map((i) => uuidAsString(i)) : [];
     cipherView.revisionDate = new Date(obj.revisionDate);
     cipherView.creationDate = new Date(obj.creationDate);
     cipherView.deletedDate = obj.deletedDate == null ? undefined : new Date(obj.deletedDate);
diff --git a/libs/common/src/vault/services/cipher.service.ts b/libs/common/src/vault/services/cipher.service.ts
index f2eecf08fdc..cc433317839 100644
--- a/libs/common/src/vault/services/cipher.service.ts
+++ b/libs/common/src/vault/services/cipher.service.ts
@@ -509,10 +509,21 @@ export class CipherService implements CipherServiceAbstraction {
 
           const decryptResult = await ref.value.vault().ciphers().list();
 
-          const successViews = decryptResult.successes.map((sdkCipherView: any) =>
+          // Convert successes - SDK returns array of SdkCipherView
+          const successArray = Array.isArray(decryptResult.successes)
+            ? decryptResult.successes
+            : Array.from(decryptResult.successes ?? []);
+
+          const successViews = successArray.map((sdkCipherView: any) =>
             CipherView.fromSdkCipherView(sdkCipherView),
           );
-          const failureViews: CipherView[] = decryptResult.failures.map((failure) => {
+
+          // Convert failures to CipherView with error markers
+          const failureArray = Array.isArray(decryptResult.failures)
+            ? decryptResult.failures
+            : Array.from(decryptResult.failures ?? []);
+
+          const failureViews: CipherView[] = failureArray.map((failure: any) => {
             const cipher = Cipher.fromSdkCipher(failure);
             const cipherView = new CipherView(cipher);
             cipherView.name = DECRYPT_ERROR;
@@ -805,7 +816,6 @@ export class CipherService implements CipherServiceAbstraction {
             .admin()
             .list_org_ciphers(asUuid(organizationId), includeMemberItems);
 
-          // Convert successful decryptions to CipherView[]
           const cipherViews = decryptResult.successes.map((sdkCipherView: any) =>
             CipherView.fromSdkCipherView(sdkCipherView),
           );
diff --git a/libs/common/src/vault/utils/cipher-view-like-utils.ts b/libs/common/src/vault/utils/cipher-view-like-utils.ts
index 04adb8d4832..d7633d82bee 100644
--- a/libs/common/src/vault/utils/cipher-view-like-utils.ts
+++ b/libs/common/src/vault/utils/cipher-view-like-utils.ts
@@ -242,7 +242,7 @@ export class CipherViewLikeUtils {
         _copyField = "usernameIdentity";
       }
 
-      return cipher.copyableFields.includes(copyActionToCopyableFieldMap[_copyField]);
+      return cipher.copyableFields?.includes(copyActionToCopyableFieldMap[_copyField]) ?? false;
     }
 
     // When the full cipher is available, check the specific field