MEDIUM6.1

PYSEC-2026-693

Open Redirect in CPython that affects users of OpenStack Nova

Quick fix

PYSEC-2026-693 — nova: upgrade to the fixed version with the command below.

pip install --upgrade 'nova>=21.2.3'

Details

A vulnerability was found in CPython which is used by openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/nova

Introduced in: 0Fixed in: 21.2.3

Fixpip install --upgrade 'nova>=21.2.3'

References

https://nvd.nist.gov/vuln/detail/CVE-2021-3654[ADVISORY]
https://bugs.launchpad.net/nova/+bug/1927677[WEB]
https://bugs.python.org/issue32084[WEB]
https://bugzilla.redhat.com/show_bug.cgi?id=1961439[WEB]
https://opendev.org/openstack/nova[PACKAGE]
https://opendev.org/openstack/nova/commit/04d48527b62a35d912f93bc75613a6cca606df66[WEB]
https://opendev.org/openstack/nova/commit/8906552cfc2525a44251d4cf313ece61e57251eb[WEB]
https://security.gentoo.org/glsa/202305-02[WEB]
https://security.openstack.org/ossa/OSSA-2021-002.html[WEB]
https://www.openwall.com/lists/oss-security/2021/07/29/2[WEB]
https://pypi.org/project/nova[PACKAGE]
https://github.com/advisories/GHSA-vqp6-j452-j6wp[ADVISORY]