Open Redirect in CPython that affects users of OpenStack Nova
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | nova | < 21.2.3, >= 22.0.0, < 22.2.3, >= 23.0.0, < 23.0.3 | 21.2.3, 22.2.3, 23.0.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-3654
- https://bugs.launchpad.net/nova/+bug/1927677
- https://bugs.python.org/issue32084
- https://bugzilla.redhat.com/show_bug.cgi?id=1961439
- https://opendev.org/openstack/nova
- https://opendev.org/openstack/nova/commit/04d48527b62a35d912f93bc75613a6cca606df66
- https://opendev.org/openstack/nova/commit/8906552cfc2525a44251d4cf313ece61e57251eb
- https://security.gentoo.org/glsa/202305-02
- https://security.openstack.org/ossa/OSSA-2021-002.html
- https://www.openwall.com/lists/oss-security/2021/07/29/2
- https://pypi.org/project/nova
- https://github.com/advisories/GHSA-vqp6-j452-j6wp
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-601- Platform
- Python (PyPI)
- Package
nova- Disclosed
- 04.03.2022
- Updated
- 11.10.2026 13:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-693 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-vqp6-j452-j6wp - CC BY 4.0
Vulnerability history: nova
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 49
- First → latest
- 08.2012 06.2026
- Without a fix
- 5
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 11
- Medium 29
- Low 8
Disclosures per year
- 2017: 1
- 2018: 0
- 2019: 1
- 2020: 1
- 2021: 0
- 2022: 34
- 2023: 1
- 2024: 2
- 2025: 0
- 2026: 2
earlier: 7
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Open Redirect in CPython that affects users of OpenStack Nova this entry
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