diff --git a/swift/common/middleware/tempurl.py b/swift/common/middleware/tempurl.py
index 3dd1448583..659121e8b7 100644
--- a/swift/common/middleware/tempurl.py
+++ b/swift/common/middleware/tempurl.py
@@ -122,11 +122,13 @@ from urllib import urlencode
 from urlparse import parse_qs
 
 from swift.proxy.controllers.base import get_account_info, get_container_info
-from swift.common.swob import HeaderKeyDict, HTTPUnauthorized
+from swift.common.swob import HeaderKeyDict, HTTPUnauthorized, HTTPBadRequest
 from swift.common.utils import split_path, get_valid_utf8_str, \
     register_swift_info, get_hmac, streq_const_time, quote
 
 
+DISALLOWED_INCOMING_HEADERS = 'x-object-manifest'
+
 #: Default headers to remove from incoming requests. Simply a whitespace
 #: delimited list of header names and names can optionally end with '*' to
 #: indicate a prefix match. DEFAULT_INCOMING_ALLOW_HEADERS is a list of
@@ -230,6 +232,10 @@ class TempURL(object):
         #: The methods allowed with Temp URLs.
         self.methods = methods
 
+        self.disallowed_headers = set(
+            'HTTP_' + h.upper().replace('-', '_')
+            for h in DISALLOWED_INCOMING_HEADERS.split())
+
         headers = DEFAULT_INCOMING_REMOVE_HEADERS
         if 'incoming_remove_headers' in conf:
             headers = conf['incoming_remove_headers']
@@ -323,6 +329,13 @@ class TempURL(object):
                             for hmac in hmac_vals)
         if not is_valid_hmac:
             return self._invalid(env, start_response)
+        # disallowed headers prevent accidently allowing upload of a pointer
+        # to data that the PUT tempurl would not otherwise allow access for.
+        # It should be safe to provide a GET tempurl for data that an
+        # untrusted client just uploaded with a PUT tempurl.
+        resp = self._clean_disallowed_headers(env, start_response)
+        if resp:
+            return resp
         self._clean_incoming_headers(env)
         env['swift.authorize'] = lambda req: None
         env['swift.authorize_override'] = True
@@ -465,6 +478,22 @@ class TempURL(object):
             body = '401 Unauthorized: Temp URL invalid\n'
         return HTTPUnauthorized(body=body)(env, start_response)
 
+    def _clean_disallowed_headers(self, env, start_response):
+        """
+        Validate the absense of disallowed headers for "unsafe" operations.
+
+        :returns: None for safe operations or swob.HTTPBadResponse if the
+                  request includes disallowed headers.
+        """
+        if env['REQUEST_METHOD'] in ('GET', 'HEAD', 'OPTIONS'):
+            return
+        for h in env:
+            if h in self.disallowed_headers:
+                return HTTPBadRequest(
+                    body='The header %r is not allowed in this tempurl' %
+                    h[len('HTTP_'):].title().replace('_', '-'))(
+                        env, start_response)
+
     def _clean_incoming_headers(self, env):
         """
         Removes any headers from the WSGI environment as per the
diff --git a/test/functional/tests.py b/test/functional/tests.py
index 95f168e6e8..800d070d15 100644
--- a/test/functional/tests.py
+++ b/test/functional/tests.py
@@ -2732,6 +2732,42 @@ class TestTempurl(Base):
         self.assert_(new_obj.info(parms=put_parms,
                                   cfg={'no_auth_token': True}))
 
+    def test_PUT_manifest_access(self):
+        new_obj = self.env.container.file(Utils.create_name())
+
+        # give out a signature which allows a PUT to new_obj
+        expires = int(time.time()) + 86400
+        sig = self.tempurl_sig(
+            'PUT', expires, self.env.conn.make_path(new_obj.path),
+            self.env.tempurl_key)
+        put_parms = {'temp_url_sig': sig,
+                     'temp_url_expires': str(expires)}
+
+        # try to create manifest pointing to some random container
+        try:
+            new_obj.write('', {
+                'x-object-manifest': '%s/foo' % 'some_random_container'
+            }, parms=put_parms, cfg={'no_auth_token': True})
+        except ResponseError as e:
+            self.assertEqual(e.status, 400)
+        else:
+            self.fail('request did not error')
+
+        # create some other container
+        other_container = self.env.account.container(Utils.create_name())
+        if not other_container.create():
+            raise ResponseError(self.conn.response)
+
+        # try to create manifest pointing to new container
+        try:
+            new_obj.write('', {
+                'x-object-manifest': '%s/foo' % other_container
+            }, parms=put_parms, cfg={'no_auth_token': True})
+        except ResponseError as e:
+            self.assertEqual(e.status, 400)
+        else:
+            self.fail('request did not error')
+
     def test_HEAD(self):
         expires = int(time.time()) + 86400
         sig = self.tempurl_sig(
diff --git a/test/unit/common/middleware/test_tempurl.py b/test/unit/common/middleware/test_tempurl.py
index e66556334b..ba42ace564 100644
--- a/test/unit/common/middleware/test_tempurl.py
+++ b/test/unit/common/middleware/test_tempurl.py
@@ -649,6 +649,25 @@ class TestTempURL(unittest.TestCase):
         self.assertTrue('Temp URL invalid' in resp.body)
         self.assertTrue('Www-Authenticate' in resp.headers)
 
+    def test_disallowed_header_object_manifest(self):
+        self.tempurl = tempurl.filter_factory({})(self.auth)
+        method = 'PUT'
+        expires = int(time() + 86400)
+        path = '/v1/a/c/o'
+        key = 'abc'
+        hmac_body = '%s\n%s\n%s' % (method, expires, path)
+        sig = hmac.new(key, hmac_body, sha1).hexdigest()
+        req = self._make_request(
+            path, method='PUT', keys=[key],
+            headers={'x-object-manifest': 'private/secret'},
+            environ={'QUERY_STRING': 'temp_url_sig=%s&temp_url_expires=%s' % (
+                sig, expires)})
+        resp = req.get_response(self.tempurl)
+        self.assertEquals(resp.status_int, 400)
+        self.assertTrue('header' in resp.body)
+        self.assertTrue('not allowed' in resp.body)
+        self.assertTrue('X-Object-Manifest' in resp.body)
+
     def test_removed_incoming_header(self):
         self.tempurl = tempurl.filter_factory({
             'incoming_remove_headers': 'x-remove-this'})(self.auth)