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CVE-2025-67494

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CVE-2025-67494

Published: Dec 9, 2025

Modified: Dec 10, 2025

PUBLISHED

CVSS v3.1

9.3

CRITICAL

Description

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.

VendorProductVersions

zitadel

zitadel

affected
< 1.80.0-v2.20.0.20251208091519-4c879b47334e
affected
>= 1.83.4, <= 1.87.5
affected
>= 4.0.0-rc.1, < 4.7.1

Weaknesses (CWE)

CWE-918

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

References

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