Is CVE-2019-10160 being actively exploited?

CVE-2019-10160 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2019-10160?

CVE-2019-10160 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2019-10160

CRITICAL · CVSS 9.8EPSS 5.2%EU EUVD

A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. cookies, authentication data) and send them to a different host than where it should, unlike if the URLs had been correctly parsed. The result of an attack may vary based on the application.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-172
EPSS score: 5.2% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2019-2193)
Published: June 7, 2019
NVD last modified: October 14, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2019-2193 in the EU Vulnerability Database. Last updated in EUVD on October 14, 2026.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
fedoraproject / fedora
fedoraproject / fedora
fedoraproject / fedora
netapp / cloud backup
netapp / converged systems advisor agent
opensuse / leap
opensuse / leap
python / python
python / python
python / python
redhat / enterprise linux
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / virtualization

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html(Mailing List, Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:1587(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:1700(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:2437(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10160(Issue Tracking, Patch, Third Party Advisory)
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://github.com/python/cpython/commit/250b62acc59921d399f0db47db3b462cd6037e09(Patch, Third Party Advisory)
https://github.com/python/cpython/commit/8d0ef0b5edeae52960c7ed05ae8a12388324f87e(Patch, Third Party Advisory)
https://github.com/python/cpython/commit/f61599b050c621386a3fc6bc480359e2d3bb93de(Patch, Third Party Advisory)
https://github.com/python/cpython/commit/fd1771dbdd28709716bd531580c40ae5ed814468(Patch, Third Party Advisory)
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html(Mailing List, Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html(Mailing List, Third Party Advisory)
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html(Mailing List, Third Party Advisory)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NF3DRDGMVIRYNZMSLJIHNW47HOUQYXVG/
https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization2.html(Patch, Third Party Advisory)
https://security.netapp.com/advisory/ntap-20190617-0003/(Third Party Advisory)
https://usn.ubuntu.com/4127-1/(Third Party Advisory)
https://usn.ubuntu.com/4127-2/(Third Party Advisory)

Last updated October 15, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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