Description
Open Redirect vulnerability in Horizon Web Dashboard 19.4.0 thru 20.1.4 via the success_url parameter.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | horizon | 3:23.1.0-3 | — |
| Debian 13 | horizon | 3:23.1.0-3 | — |
| Debian 12 | horizon | 3:23.0.0-5+deb12u1 | — |
| Debian 10 | horizon | 3:14.0.2-3+deb10u3 | DLA-3678-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | horizon | No fix yet | — |
| Ubuntu 18.04 LTS | horizon | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | horizon | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | horizon | >= 19.4.0, < 20.2.0 | 20.2.0 | GHSA-5pv6-rprw-82wv |
Advisories 1
- DLA-3678-1 horizon - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://bugs.launchpad.net/horizon/+bug/1982676
- https://github.com/openstack/horizon/blob/master/horizon/workflows/views.py#L96-L102
- [debian-lts-announce] 20231130 [SECURITY] [DLA 3676-1] horizon security update mailing-list
- [debian-lts-announce] 20231201 [SECURITY] [DLA 3678-1] horizon security update - CORRECTED ANNOUNCEMENT mailing-list