diff --git a/.changes/v1.15/ENHANCEMENTS-20260303-132330.yaml b/.changes/v1.15/ENHANCEMENTS-20260303-132330.yaml
new file mode 100644
index 000000000000..f2211a9665aa
--- /dev/null
+++ b/.changes/v1.15/ENHANCEMENTS-20260303-132330.yaml
@@ -0,0 +1,5 @@
+kind: ENHANCEMENTS
+body: add Alicloud CloudSSO mode credential support for oss backend
+time: 2026-03-03T13:23:30.643274+08:00
+custom:
+    Issue: "38228"
diff --git a/internal/backend/remote-state/oss/backend.go b/internal/backend/remote-state/oss/backend.go
index 2a64a49bc9b9..5f54fb5c0d90 100644
--- a/internal/backend/remote-state/oss/backend.go
+++ b/internal/backend/remote-state/oss/backend.go
@@ -618,7 +618,7 @@ func getConfigFromProfile(d *schema.ResourceData, ProfileKey string) (interface{
 			return "", nil
 		}
 	case "sts_token":
-		if mode != "StsToken" {
+		if mode != "StsToken" && mode != "CloudSSO" {
 			return "", nil
 		}
 	case "ram_role_arn", "ram_session_name":