CVE-2025-67494

critical · 9.3

ZITADEL is an open-source identity infrastructure tool. Versions 4.7.0 and below are vulnerable to an unauthenticated, full-read SSRF vulnerability. The ZITADEL Login UI (V2) treats the x-zitadel-forward-host header as a trusted fallback for all deployments, including self-hosted instances. This allows an unauthenticated attacker to force the server to make HTTP requests to arbitrary domains, such as internal addresses, and read the responses, enabling data exfiltration and bypassing network-segmentation controls. This issue is fixed in version 4.7.1.

9.3

CVSS

0.4%

EPSS (exploit prob.)

38th

EPSS percentile

2025-12-09

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Weaknesses

CWE-918

Affected products

Vendor	Product	Affected versions
zitadel	zitadel	>= 4.0.0, < 4.7.1

Check a specific version with /api/v1/cve/match.

References

https://github.com/zitadel/zitadel/commit/4c879b47334e01d4fcab921ac1b44eda39acdb96
https://github.com/zitadel/zitadel/security/advisories/GHSA-7wfc-4796-gmg5

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-67494