cvelistv5 - cve-2025-67494

CVE-2025-67494 (GCVE-0-2025-67494)

Vulnerability from cvelistv5

Published

2025-12-09 22:07

Modified

2025-12-10 16:50

Severity ?

9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Summary

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.

References

URL

Tags

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

Impacted products

	Vendor	Product	Version
	zitadel	zitadel	Version: < 1.80.0-v2.20.0.20251208091519-4c879b47334e Version: >= 1.83.4, <= 1.87.5 Version: >= 4.0.0-rc.1, < 4.7.1

Show details on NVD website

JSON

To clipboard

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fkie_cve-2025-67494

Vulnerability from fkie_nvd

Published

2025-12-09 22:16

Modified

2025-12-09 22:16

Severity ?

9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Summary

References

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

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    }
  ],
  "id": "CVE-2025-67494",
  "lastModified": "2025-12-09T22:16:16.187",
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          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
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          "baseScore": 9.3,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
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      "url": "https://github.com/zitadel/zitadel/commit/4c879b47334e01d4fcab921ac1b44eda39acdb96"
    },
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    }
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}

ghsa-7wfc-4796-gmg5

Vulnerability from github

Published

2025-12-08 22:19

Modified

2025-12-10 15:45

Severity ?

9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Summary

ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login

Details

Summary

Zitadel is vulnerable to an unauthenticated, full-read SSRF vulnerability. An unauthenticated remote attacker can force Zitadel into making HTTP requests to arbitrary domains, including internal addresses. The server then returns the upstream response to the attacker, enabling data exfiltration from internal services.

Impact

ZITADEL Login UI (V2) was vulnerable to service URL manipulation through the x-zitadel-forward-host header. The service URL resolution logic treated the header as a trusted fallback for all deployments, including self-hosted instances. This allowed unauthenticated attacker to force the server to make outbound requests and read the responses, reaching internal services, exfiltrating data, and bypassing IP-based or network-segmentation controls.

Affected Versions

Systems using the login UI (v2) and running one of the following versions are affected: - v4.x: 4.0.0-rc.1 through 4.7.0

Patches

The vulnerability has been addressed in the latest release. The patch resolves the issue by correctly validating the x-zitadel-forward-host, resp. all forwarded headers against the instance domains and trusted domains. It's no longer used to route traffic to the Zitadel API.

Before you upgrade, ensure that: - the ZITADEL_API_URL is set and is pointing to your instance, resp. system in multi-instance deployments. - the HTTP host (or a x-forwarded-host) is passed in your reverse proxy to the login UI. - a x-zitadel-instance-host (or x-zitadel-forward-host) is set in your reverse for multi-instance deployments. If you're running a single instance solution, you don't need to take any actions.

Fixed versions: - 4.x: Upgrade to >=4.7.1

Workarounds

The recommended solution is to update ZITADEL to a patched version.

A ZITADEL fronting proxy can be configured to delete all x-zitadel-forward-host header values or set it to the requested host before sending requests to ZITADEL self-hosted environments.

Questions

If you have any questions or comments about this advisory, please email us at security@zitadel.com

Credits

Thanks to Amit Laish – GE Vernova for finding and reporting the vulnerability.

Show details on source website

JSON

To clipboard

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  "affected": [
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      "package": {
        "ecosystem": "Go",
        "name": "github.com/zitadel/zitadel"
      },
      "ranges": [
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          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.80.0-v2.20.0.20251208091519-4c879b47334e"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/zitadel/zitadel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.83.4"
            },
            {
              "last_affected": "1.87.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/zitadel/zitadel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.0.0-rc.1"
            },
            {
              "fixed": "4.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/zitadel/zitadel/v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-67494"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-08T22:19:04Z",
    "nvd_published_at": "2025-12-09T22:16:16Z",
    "severity": "CRITICAL"
  },
  "details": "### Summary\n\nZitadel is vulnerable to an unauthenticated, full-read SSRF vulnerability. An unauthenticated remote attacker can force Zitadel into making HTTP requests to arbitrary domains, including internal addresses. The server then returns the upstream response to the attacker, enabling data exfiltration from internal services.\n\n### Impact\n\nZITADEL Login UI (V2) was vulnerable to service URL manipulation through the x-zitadel-forward-host header. The service URL resolution logic treated the header as a trusted fallback for all deployments, including self-hosted instances. This allowed unauthenticated attacker to force the server to make outbound requests and read the responses, reaching internal services, exfiltrating data, and bypassing IP-based or network-segmentation controls. \n \n### Affected Versions\n\nSystems using the login UI (v2) and running one of the following versions are affected:\n- **v4.x**: `4.0.0-rc.1` through `4.7.0`\n\n### Patches\n\nThe vulnerability has been addressed in the latest release. The patch resolves the issue by correctly validating the x-zitadel-forward-host, resp. all forwarded headers against the instance domains and trusted domains. It\u0027s no longer used to route traffic to the Zitadel API.\n\nBefore you upgrade, ensure that:\n- the `ZITADEL_API_URL` is set and is pointing to your instance, resp. system in multi-instance deployments.\n- the HTTP `host` (or a `x-forwarded-host`) is passed in your reverse proxy to the login UI.\n- a `x-zitadel-instance-host` (or `x-zitadel-forward-host`) is set in your reverse for multi-instance deployments. If you\u0027re running a single instance solution, you don\u0027t need to take any actions.\n\nFixed versions:\n- 4.x: Upgrade to \u003e=[4.7.1](https://github.com/zitadel/zitadel/releases/tag/v4.7.1)\n\n### Workarounds\n\nThe recommended solution is to update ZITADEL to a patched version.\n\nA ZITADEL fronting proxy can be configured to delete all `x-zitadel-forward-host` header values or set it to the requested host before sending requests to ZITADEL self-hosted environments.\n\n### Questions\n\nIf you have any questions or comments about this advisory, please email us at [security@zitadel.com](mailto:security@zitadel.com)\n\n### Credits\n\nThanks to Amit Laish \u2013 GE Vernova for finding and reporting the vulnerability.",
  "id": "GHSA-7wfc-4796-gmg5",
  "modified": "2025-12-10T15:45:58Z",
  "published": "2025-12-08T22:19:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/zitadel/zitadel/security/advisories/GHSA-7wfc-4796-gmg5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-67494"
    },
    {
      "type": "WEB",
      "url": "https://github.com/zitadel/zitadel/commit/4c879b47334e01d4fcab921ac1b44eda39acdb96"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/zitadel/zitadel"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ZITADEL Vulnerable to Unauthenticated Full-Read SSRF via V2 Login"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2025-67494 (GCVE-0-2025-67494)

Vulnerability from cvelistv5

fkie_cve-2025-67494

Vulnerability from fkie_nvd

ghsa-7wfc-4796-gmg5

Vulnerability from github

Summary

Impact

Affected Versions

Patches

Workarounds

Questions

Credits

Tags

Sightings

Nomenclature