PYSEC-2026-2520
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/horizon/PYSEC-2026-2520.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-2520
- Aliases
-
- CVE-2026-43002
- GHSA-vxvf-xvm3-p8j5
- Published
- 2026-07-13T15:15:37.289488Z
- Modified
- 2026-07-13T16:31:57.272245536Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- OpenStack Horizon has Incorrect Behavior Order
- Details
-
An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.
- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2026-43002
- https://bugs.launchpad.net/horizon/+bug/2150331
- https://github.com/openstack/horizon
- https://security.openstack.org/ossa/OSSA-2026-009.html
- https://www.openwall.com/lists/oss-security/2026/05/05/7
- https://pypi.org/project/horizon
- https://github.com/advisories/GHSA-vxvf-xvm3-p8j5
Affected packages
PyPI / horizon
Package
- Name
- horizon
- View open source insights on deps.dev
- Purl
- pkg:pypi/horizon