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CVE-2019-10160.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSCRITICAL / 9.8CVSS 3.1 · nvd@nist.gov
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSModifiedModified Oct 07, 2026

Disclosure summary

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.

Source-reported weakness categories

CWE-172, CWE-522

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2019-10160

Open original source · Updated Oct 07, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
pythonpython* {"versionStartIncluding":"3.7.0","versionEndExcluding":"3.7.4"}
pythonpython3.8.0
pythonpython3.8.0
redhatenterprise_linux_desktop7.0
redhatenterprise_linux_eus7.6
redhatenterprise_linux_server7.0
redhatenterprise_linux_server_aus7.6
redhatenterprise_linux_server_tus7.6
redhatenterprise_linux_workstation7.0
debiandebian_linux8.0
debiandebian_linux9.0
opensuseleap15.0
opensuseleap15.1
fedoraprojectfedora29
fedoraprojectfedora30
fedoraprojectfedora31
canonicalubuntu_linux12.04
canonicalubuntu_linux14.04
canonicalubuntu_linux16.04
canonicalubuntu_linux18.04
canonicalubuntu_linux19.04
redhatvirtualization4.0
netappcloud_backup-
netappconverged_systems_advisor_agent-

Original records & references

PUBLISHED 2019-06-07T14:29:00-04:00
MODIFIED 2026-10-07T15:17:11-04:00
INGESTED 2026-10-08T12:30:34-04:00