CVE-2026-55670
ZITADEL: Cross-Tenant User Leakage via Recycled Identifiers in github.com/zitadel/zitadel
Description
ZITADEL: Cross-Tenant User Leakage via Recycled Identifiers in github.com/zitadel/zitadel
How to fix CVE-2026-55670
To remediate CVE-2026-55670, upgrade the affected package to a fixed version below.
- Go/github.com/zitadel/zitadel—upgrade to 1.80.0-v2.20.0.20260615092437-6082e59d47c1 or later
- Go/github.com/zitadel/zitadel—upgrade to 1.80.0-v2.20.0.20260615092437-6082e59d47c1 or later
Is CVE-2026-55670 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-55670.
Affected packages (2)
- from 0, < 1.80.0-v2.20.0.20260615092437-6082e59d47c1
- from 0, < 1.80.0-v2.20.0.20260615092437-6082e59d47c1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |