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CVE-2018-18074

28
FAUCET Score

CVE-2018-18074 describes a vulnerability in the Python Requests package prior to version 2.20.0, where it inadvertently sends HTTP Authorization headers to unencrypted HTTP URIs during same-hostname HTTPS-to-HTTP redirects, potentially exposing credentials. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high confidentiality impact, requiring no user interaction or privileges. While affecting products like canonical, opensuse, python, and redhat, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.20.0CPE matchmatch criteria
cpe:2.3:a:python:requests:*:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
18.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
18.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.44%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0744 is in the 90th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: requestsFixed in: 2.20.0
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.6 for RHEL 7Fixed in: ansible-tower-36/ansible-tower:3.6.4-1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-requests-0:2.6.0-5.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-pip-0:9.0.3-7.el7_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-virtualenv-0:15.1.0-4.el7_7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-pip-0:9.0.3-7.el7_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: python-virtualenv-0:15.1.0-4.el7_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python27:2.7-8020020200117110429.90f98d4f
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python-pip-0:9.0.3-16.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.5 for RHEL 7Fixed in: ansible-tower-35/ansible-tower:3.5.6-1
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Storage 3Fixed in: python-requests
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: python27-python-pip
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: python27-python-virtualenv
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-mongodb36-python-requests
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-python36-python-pip
redhatvendor investigatingvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-python36-python-virtualenv
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 10 (Newton)Fixed in: python-requests
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: python-requests
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 8 (Liberty)Fixed in: python-requests
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenStack Platform 9 (Mitaka)Fixed in: python-requests
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python36:3.6/python-virtualenv
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 3.9Fixed in: python-requests
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 14 (Rocky)Fixed in: python-requests
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 12 (Pike)Fixed in: python-requests
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: python-requests

Vendor Advisories (2)

pipGHSA-x84v-xcm2-53pghigh

Insufficiently Protected Credentials in Requests

Oct 29, 2018
redhatCVE-2018-18074Low

python-requests: Redirect from HTTPS to HTTP does not remove Authorization header

Jun 29, 2018

References

docs.python-requests.org / en/master/community/updates
Release NotesThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-07/msg00024.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2019:2035
Third Party Advisory
bugs.debian.org / 910766
ExploitIssue TrackingPatchThird Party Advisory
github.com / requests/requests/commit/c45d7c49ea75133e52ab22a8e9e13173938e36ff
PatchThird Party Advisory
github.com / requests/requests/issues/4716
ExploitPatchThird Party Advisory
github.com / requests/requests/pull/4718
PatchThird Party Advisory
usn.ubuntu.com / 3790-1
Third Party Advisory
usn.ubuntu.com / 3790-2
Third Party Advisory
oracle.com / security-alerts/cpujul2022.html