CVE catalog
CVE-2026-43002
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 unauthent
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.36% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | horizon | sid | 3:27.0.0-4 | fixed |
| Debian | horizon | forky | 3:27.0.0-4 | fixed |
| Debian | horizon | trixie | 3:25.3.0-3+deb13u1 | not affected |
| Debian | horizon | bookworm | 3:23.0.0-5+deb12u2 | not affected |
| Cpe | horizon | Not reported | 25.7.3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | horizon | source | sid | 3:25.7.3-1 | not yet assigned | Not reported | [1135810] |
| Debian | horizon | source | forky | 3:25.7.3-1 | not yet assigned | Not reported | [1135810] |
| Debian | horizon | source | trixie | Not affected | unimportant | Not reported | [1135810] |
| Debian | horizon | source | bookworm | Not affected | unimportant | Not reported | [1135810] |
| Cpe | horizon | cpe | Not reported | 25.7.3 | Not reported | NVD-CVE-2026-43002 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [horizon-doc]Not affected
Source package: [horizon]
Details (2)
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
- [openstack-dashboard]Not affected
Source package: [horizon]
Details (2)
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
- [openstack-dashboard-apache]Not affected
Source package: [horizon]
Details (2)
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
- [python3-django-horizon]Not affected
Source package: [horizon]
Details (2)
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
3:23.0.0-5+deb12u2· all · bookwormNot affected
nvd · horizon · debian · bookworm
Observed: