CVE-2026-23511
Zitadel has a user enumeration vulnerability in Login UIs in github.com/zitadel/zitadel
5.3
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
Zitadel has a user enumeration vulnerability in Login UIs in github.com/zitadel/zitadel. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/zitadel/zitadel before v3.4.6, from v4.0.0 before v4.9.1.
How to fix CVE-2026-23511
To remediate CVE-2026-23511, upgrade the affected package to a fixed version below.
- —upgrade to 4.9.1 or later
- —no fix listed
Is CVE-2026-23511 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 4.0.0, < 4.9.1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |