CVE-2026-29067
ZITADEL Vulnerable to Account Takeover Due to Improper Instance Validation in V2 Login in github.com/zitadel/zitadel
Description
ZITADEL Vulnerable to Account Takeover Due to Improper Instance Validation in V2 Login 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 from v4.0.0-rc.1 before v4.7.1.
How to fix CVE-2026-29067
To remediate CVE-2026-29067, upgrade the affected package to a fixed version below.
- —upgrade to 1.80.0-v2.20.0.20251208091519-4c879b47334e or later
- —upgrade to 1.80.0-v2.20.0.20251208091519-4c879b47334e or later
- —upgrade to 1.80.0-v2.20.0.20251208091519-4c879b47334e or later
Is CVE-2026-29067 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.80.0-v2.20.0.20251208091519-4c879b47334e
- from 0, < 1.80.0-v2.20.0.20251208091519-4c879b47334e, >= 1.83.4
- from 0, < 1.80.0-v2.20.0.20251208091519-4c879b47334e
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |