diff --git a/SOURCES/CVE-2020-26137.patch b/SOURCES/CVE-2020-26137.patch
new file mode 100644
index 0000000..1ca32a8
--- /dev/null
+++ b/SOURCES/CVE-2020-26137.patch
@@ -0,0 +1,37 @@
+diff --git a/src/urllib3/connection.py b/src/urllib3/connection.py
+index 02b3665..1ab1890 100644
+--- a/src/urllib3/connection.py
++++ b/src/urllib3/connection.py
+@@ -1,4 +1,5 @@
+ from __future__ import absolute_import
++import re
+ import datetime
+ import logging
+ import os
+@@ -61,6 +62,8 @@ port_by_scheme = {
+ # after 2016-01-01 (today - 2 years) AND before 2017-07-01 (today - 6 months)
+ RECENT_DATE = datetime.date(2017, 6, 30)
+ 
++_CONTAINS_CONTROL_CHAR_RE = re.compile(r"[^-!#$%&'*+.^_`|~0-9a-zA-Z]")
++
+ 
+ class DummyConnection(object):
+     """Used to detect a failed ConnectionCls import."""
+@@ -181,6 +184,17 @@ class HTTPConnection(_HTTPConnection, object):
+         conn = self._new_conn()
+         self._prepare_conn(conn)
+ 
++    def putrequest(self, method, url, *args, **kwargs):
++        """Send a request to the server"""
++        match = _CONTAINS_CONTROL_CHAR_RE.search(method)
++        if match:
++            raise ValueError(
++                "Method cannot contain non-token characters %r (found at least %r)"
++                % (method, match.group())
++            )
++
++        return _HTTPConnection.putrequest(self, method, url, *args, **kwargs)
++
+     def request_chunked(self, method, url, body=None, headers=None):
+         """
+         Alternative to the common request method, which sends the
diff --git a/SPECS/python-urllib3.spec b/SPECS/python-urllib3.spec
index 6cd889b..3d1d787 100644
--- a/SPECS/python-urllib3.spec
+++ b/SPECS/python-urllib3.spec
@@ -2,7 +2,7 @@
 
 Name:           python-%{srcname}
 Version:        1.24.2
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Python HTTP library with thread-safe connection pooling and file post
 
 License:        MIT
@@ -21,11 +21,17 @@ BuildArch:      noarch
 #    - Superfluous commits were omitted (flake8 checks, travis settings, macos patch)
 #  * https://github.com/urllib3/urllib3/pull/1593
 Patch1:         CVE-2019-11236.patch
+
 # Enable post-handshake authentication for TLS 1.3
 # - https://github.com/urllib3/urllib3/issues/1634
 # - https://bugzilla.redhat.com/show_bug.cgi?id=1726743
 Patch2:         Enable_TLS_1.3_post-handshake_authentication.patch
 
+# CVE-2020-26137
+# CRLF injection via HTTP request method
+# Resolved upstream: https://github.com/urllib3/urllib3/pull/1800
+Patch3: CVE-2020-26137.patch
+
 %description
 Python HTTP module with connection pooling and file POST abilities.
 
@@ -54,6 +60,7 @@ Python3 HTTP module with connection pooling and file POST abilities.
 
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1
 
 # Make sure that the RECENT_DATE value doesn't get too far behind what the current date is.
 # RECENT_DATE must not be older that 2 years from the build time, or else test_recent_date
@@ -129,6 +136,10 @@ popd
 
 
 %changelog
+* Mon Nov 09 2020 Charalampos Stratakis <cstratak@redhat.com> - 1.24.2-5
+- Security fix for CVE-2020-26137
+Resolves: rhbz#1883889
+
 * Wed Oct 30 2019 Anna Khaitovich <akhaitov@redhat.com> - 1.24.2-4
 - Update RECENT_DATE dynamically
 Resolves: rhbz#1761380