diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6af1a95..818215f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -45,7 +45,7 @@ repos:
         additional_dependencies: ['flake8-bugbear']
 
   - repo: https://github.com/agritheory/test_utils
-    rev: v1.28.0
+    rev: v1.30.1
     hooks:
       - id: update_pre_commit_config
       - id: validate_frappe_project
diff --git a/cloud_storage/cloud_storage/overrides/file.py b/cloud_storage/cloud_storage/overrides/file.py
index 0e6e2f9..793ef9d 100644
--- a/cloud_storage/cloud_storage/overrides/file.py
+++ b/cloud_storage/cloud_storage/overrides/file.py
@@ -46,13 +46,34 @@ def is_remote_file(self) -> bool:
 			return self.file_url.startswith(URL_PREFIXES)  # type: ignore
 		return not self.content
 
+	def validate_file_path(self, path=None):
+		"""
+		HASH: 48366c6ecbad44ed24e6d02bdd8f8f189ce58927
+		REPO: https://github.com/frappe/frappe
+		PATH: frappe/core/doctype/file/file.py
+		METHOD: validate_file_path
+		"""
+		if path is None:
+			if self.is_remote_file:
+				return
+			path = self.get_full_path()
+		base_path = os.path.realpath(get_files_path(is_private=self.is_private))
+		resolved_path = os.path.realpath(path)
+		if os.path.commonpath((base_path, resolved_path)) != base_path:
+			frappe.throw(_("The File URL you've entered is incorrect"), title=_("Invalid File URL"))
+
 	def validate(self) -> None:
 		"""
-		HASH: 69a495579a729909f4df7a45855165eee4a208f4
+		HASH: ca4a6912ebf7a8dafa9e56822bd304fa38c4da09
 		REPO: https://github.com/frappe/frappe
 		PATH: frappe/core/doctype/file/file.py
 		METHOD: validate
 		"""
+		if self.is_folder:
+			if self.file_url:
+				frappe.throw(_("A folder cannot have a File URL"))
+			return
+
 		# guard against recursion: associate_files() can save another File, re-entering validate
 		if not self.flags.associating_files:
 			self.associate_files()
@@ -312,7 +333,7 @@ def remove_file_association(self, dt: str, dn: str) -> None:
 	@frappe.whitelist()
 	def get_content(self) -> bytes:
 		"""
-		HASH: bfbebb3d3d9c26eb34ed447112fcd46f1dadff00
+		HASH: 48366c6ecbad44ed24e6d02bdd8f8f189ce58927
 		REPO: https://github.com/frappe/frappe
 		PATH: frappe/core/doctype/file/file.py
 		METHOD: get_content
@@ -320,6 +341,7 @@ def get_content(self) -> bytes:
 		if self.is_folder:
 			frappe.throw(_("Cannot get file contents of a Folder"))
 
+		self.validate_file_path()
 		if self.get("content"):
 			self._content = self.content
 			if self.decode:  # type: ignore
@@ -342,6 +364,7 @@ def get_content(self) -> bytes:
 				file_path = frappe.get_site_path("public", "files", self.file_name)
 			else:
 				file_path = frappe.get_site_path("private", "files", self.file_name)
+			self.validate_file_path(file_path)
 			with open(file_path, mode="rb") as f:
 				self._content = f.read()
 				try:
diff --git a/cloud_storage/tests/conftest.py b/cloud_storage/tests/conftest.py
index ae770ff..b772cc8 100644
--- a/cloud_storage/tests/conftest.py
+++ b/cloud_storage/tests/conftest.py
@@ -82,6 +82,26 @@ def patch_frappe_conf(monkeymodule):
 	)
 
 
+@pytest.fixture(scope="session", autouse=True)
+def cleanup_uploaded_files(db_instance):
+	watched_dirs = [
+		Path(frappe.get_site_path("public", "files")),
+		Path(frappe.get_site_path("private", "files")),
+	]
+	before = {d: (set(d.rglob("*")) if d.is_dir() else set()) for d in watched_dirs}
+
+	yield
+
+	for d in watched_dirs:
+		after = set(d.rglob("*")) if d.is_dir() else set()
+		new_paths = sorted(after - before[d], key=lambda p: len(p.parts), reverse=True)
+		for path in new_paths:
+			if path.is_file():
+				path.unlink(missing_ok=True)
+			elif path.is_dir() and not any(path.iterdir()):
+				path.rmdir()
+
+
 @pytest.fixture
 def mocked_s3_client():
 	with mock_s3():
diff --git a/cloud_storage/tests/setup.py b/cloud_storage/tests/setup.py
index aff7d36..293f9d0 100644
--- a/cloud_storage/tests/setup.py
+++ b/cloud_storage/tests/setup.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2025, AgriTheory and contributors
+# Copyright (c) 2026, AgriTheory and contributors
 # For license information, please see license.txt
 
 import frappe
diff --git a/cloud_storage/tests/test_file.py b/cloud_storage/tests/test_file.py
index 5232e57..447b962 100644
--- a/cloud_storage/tests/test_file.py
+++ b/cloud_storage/tests/test_file.py
@@ -337,7 +337,6 @@ def test_associate_files_no_duplicate_association():
 	doc.associate_files("Module Def", "Cloud Storage")
 	doc.associate_files("Module Def", "Cloud Storage")
 
-
 	file_b = frappe.get_doc("File", "test-assoc-guard-b")
 	matching = [
 		a
diff --git a/cloud_storage/tests/test_local_storage.py b/cloud_storage/tests/test_local_storage.py
index 0042ad5..20657c5 100644
--- a/cloud_storage/tests/test_local_storage.py
+++ b/cloud_storage/tests/test_local_storage.py
@@ -120,3 +120,49 @@ def test_delete_file_local(example_file):
 	file.delete()
 
 	assert not frappe.db.exists("File", file.name)
+
+
+def test_get_content_rejects_absolute_path_escape():
+	"""An absolute file_name escapes the files/ sandbox via os.path.join."""
+	frappe.set_user("Administrator")
+	file = frappe.new_doc("File")
+	file.file_name = "/etc/hostname"
+	file.file_url = ""
+	file.is_private = 0
+
+	with pytest.raises(frappe.ValidationError):
+		file.get_content()
+
+
+def test_get_content_rejects_relative_path_escape():
+	"""Same escape, via ../ traversal instead of an absolute path."""
+	frappe.set_user("Administrator")
+	file = frappe.new_doc("File")
+	file.file_name = "../" * 10 + "etc/hostname"
+	file.file_url = ""
+	file.is_private = 1
+
+	with pytest.raises(frappe.ValidationError):
+		file.get_content()
+
+
+def test_get_content_rejects_sibling_directory_escape():
+	"""A sibling dir that merely shares the files/ prefix as a string (files-shadow)
+	must not pass containment just because startswith(base_path) is true."""
+	frappe.set_user("Administrator")
+	shadow_dir = Path(frappe.get_site_path("private")) / "files-shadow"
+	shadow_dir.mkdir(exist_ok=True)
+	secret = shadow_dir / "secret.txt"
+	secret.write_text("outside the sandbox")
+
+	file = frappe.new_doc("File")
+	file.file_name = "../files-shadow/secret.txt"
+	file.file_url = ""
+	file.is_private = 1
+
+	try:
+		with pytest.raises(frappe.ValidationError):
+			file.get_content()
+	finally:
+		secret.unlink()
+		shadow_dir.rmdir()
diff --git a/pyproject.toml b/pyproject.toml
index 4fc31fc..9fa0bf5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "cloud_storage"
-version = "15.10.3"
+version = "15.10.5"
 description = "Frappe App for integrating with cloud storage applications"
 readme = "README.md"
 requires-python = ">=3.10"