Vulnerability-Lookup

CVE-2026-35408 (GCVE-0-2026-35408)

Vulnerability from cvelistv5 – Published: 2026-04-06 21:30 – Updated: 2026-04-07 16:23

Title

Directus is Missing Cross-Origin Opener Policy

Summary

Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus's Single Sign-On (SSO) login pages lacked a Cross-Origin-Opener-Policy (COOP) HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retains the ability to access and manipulate the window object of that page. An attacker can exploit this to intercept and redirect the OAuth authorization flow to an attacker-controlled OAuth client, causing the victim to unknowingly grant access to their authentication provider account (e.g. Google, Discord). This vulnerability is fixed in 11.17.0.

Severity

8.7 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-346 - Origin Validation Error
CWE-693 - Protection Mechanism Failure

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/directus/directus/security/adv…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
directus	directus	Affected: < 11.17.0

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-35408

Vulnerability from fkie_nvd - Published: 2026-04-06 22:16 - Updated: 2026-06-17 10:40

Severity

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

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/directus/directus/security/advisories/GHSA-8m32-p958-jg99	Vendor Advisory

Impacted products

	Vendor	Product	Version
	monospace	directus	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "directus",
          "vendor": "directus",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 11.17.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:monospace:directus:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "F2EBB337-0000-4792-940F-DAEFCFC17747",
              "versionEndExcluding": "11.17.0",
              "vulnerable": true
            }
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          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Directus is a real-time API and App dashboard for managing SQL database content. Prior to 11.17.0, Directus\u0027s Single Sign-On (SSO) login pages lacked a Cross-Origin-Opener-Policy (COOP) HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retains the ability to access and manipulate the window object of that page. An attacker can exploit this to intercept and redirect the OAuth authorization flow to an attacker-controlled OAuth client, causing the victim to unknowingly grant access to their authentication provider account (e.g. Google, Discord). This vulnerability is fixed in 11.17.0."
    }
  ],
  "id": "CVE-2026-35408",
  "lastModified": "2026-06-17T10:40:32.767",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.7,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
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GHSA-8M32-P958-JG99

Vulnerability from github – Published: 2026-04-04 06:06 – Updated: 2026-04-07 14:19

Summary

Directus: Missing Cross-Origin Opener Policy

Details

Summary

Directus's Single Sign-On (SSO) login pages lacked a Cross-Origin-Opener-Policy (COOP) HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retains the ability to access and manipulate the window object of that page. An attacker can exploit this to intercept and redirect the OAuth authorization flow to an attacker-controlled OAuth client, causing the victim to unknowingly grant access to their authentication provider account (e.g. Google, Discord).

Impact

A successful attack allows the attacker to obtain an OAuth access token for the victim's third-party identity provider account. Depending on the scopes authorized, this can lead to: - Unauthorized access to the victim's linked identity provider account - Account takeover of the Directus instance if the attacker can authenticate using the stolen credentials or provider session

Patches

This issue has been addressed by adding the Cross-Origin-Opener-Policy: same-origin HTTP response header to SSO-related endpoints. This header instructs the browser to place the page in its own browsing context group, severing any reference the opener window may hold.

Workarounds

Users who are unable to upgrade immediately can mitigate this vulnerability by configuring their reverse proxy or web server to add the following HTTP response header to all Directus responses: Cross-Origin-Opener-Policy: same-origin

Severity

8.7 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "directus"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "11.17.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-35408"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-346",
      "CWE-693"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-04T06:06:00Z",
    "nvd_published_at": "2026-04-06T22:16:21Z",
    "severity": "HIGH"
  },
  "details": "## Summary\n\nDirectus\u0027s Single Sign-On (SSO) login pages lacked a `Cross-Origin-Opener-Policy` (COOP) HTTP response header. Without this header, a malicious cross-origin window that opens the Directus login page retains the ability to access and manipulate the `window` object of that page. An attacker can exploit this to intercept and redirect the OAuth authorization flow to an attacker-controlled OAuth client, causing the victim to unknowingly grant access to their authentication provider account (e.g. Google, Discord).\n\n## Impact\n\nA successful attack allows the attacker to obtain an OAuth access token for the victim\u0027s third-party identity provider account. Depending on the scopes authorized, this can lead to:\n- Unauthorized access to the victim\u0027s linked identity provider account\n- Account takeover of the Directus instance if the attacker can authenticate using the stolen credentials or provider session\n\n## Patches\n\nThis issue has been addressed by adding the `Cross-Origin-Opener-Policy: same-origin` HTTP response header to SSO-related endpoints. This header instructs the browser to place the page in its own browsing context group, severing any reference the opener window may hold.\n\n## Workarounds\n\nUsers who are unable to upgrade immediately can mitigate this vulnerability by configuring their reverse proxy or web server to add the following HTTP response header to all Directus responses: `Cross-Origin-Opener-Policy: same-origin`",
  "id": "GHSA-8m32-p958-jg99",
  "modified": "2026-04-07T14:19:49Z",
  "published": "2026-04-04T06:06:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/directus/directus/security/advisories/GHSA-8m32-p958-jg99"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35408"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/directus/directus"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Directus: Missing Cross-Origin Opener Policy"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-35408 (GCVE-0-2026-35408)

FKIE_CVE-2026-35408

GHSA-8M32-P958-JG99

Summary

Impact

Patches

Workarounds

Tags

Sightings

Nomenclature