Vulnerability-Lookup

CVE-2026-16647 (GCVE-0-2026-16647)

Vulnerability from cvelistv5 – Published: 2026-09-02 12:55 – Updated: 2026-09-04 19:54

Title

Disable Login Page - Moderately critical - Access bypass - SA-CONTRIB-2026-111

Summary

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

Severity

4.1 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-02 13:42 UTC

CWE

CWE-288 - Authentication Bypass Using an Alternate Path or Channel

Assigner

drupal mitre root

References

1 reference

URL	Tags
https://www.drupal.org/sa-contrib-2026-111

Impacted products

1 product

Vendor	Product	Version	CPE status
Drupal	Disable Login Page	Affected: 0.0.0 , < 1.1.4 (semver)	guessed

Date Public

2026-08-26 17:39

Credits

Brian Osborne (bkosborne) Jason Partyka (partyka) Brian Osborne (bkosborne) Jason Partyka (partyka) Greg Knaddison (greggles) Juraj Nemec (poker10) Pierre Rudloff (prudloff) Jess (xjm)

Show details on NVD website

JSON

To clipboard

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DRUPAL-CONTRIB-2026-111 (CVE-2026-16647)

Vulnerability from drupal – Published: 2026-08-26 17:39 – Updated: 2026-09-02 12:54 – Source website

Details

This module enables you to disable access to the /user/login form unless a secret key is provided.

The module does not invalidate the relevant caches when login page access restrictions are enabled. As a result, previously cached login page responses may remain accessible until caches are cleared. An attacker may continue to access the login page despite the restriction having been enabled.

Credits

Brian Osborne (bkosborne) www.drupal.org/u/bkosborne

Jason Partyka (partyka) www.drupal.org/u/partyka

References

URL

Type

https://www.drupal.org/sa-contrib-2026-111

WEB

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "affected_versions": "\u003c1.1.4"
      },
      "package": {
        "ecosystem": "Packagist:https://packages.drupal.org/8",
        "name": "drupal/disable_login"
      },
      "ranges": [
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            "constraint": "\u003c1.1.4"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.4"
            }
          ],
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        }
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    {
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        "https://www.drupal.org/u/partyka"
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      "name": "Jason Partyka (partyka)"
    }
  ],
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  "id": "DRUPAL-CONTRIB-2026-111",
  "modified": "2026-09-02T12:54:37.000Z",
  "published": "2026-08-26T17:39:32.000Z",
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    }
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}

FKIE_CVE-2026-16647

Vulnerability from fkie_nvd - Published: 2026-09-02 13:17 - Updated: 2026-09-08 14:42

Severity

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

Summary

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

References

	URL	Tags
	mlhess@drupal.org	https://www.drupal.org/sa-contrib-2026-111	Vendor Advisory

Impacted products

	Vendor	Product	Version
	zyxware	disable_login_page	*

JSON

To clipboard

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GHSA-HCFP-75MM-JGGH

Vulnerability from github – Published: 2026-09-02 15:34 – Updated: 2026-09-04 21:31

Details

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.

Severity

4.1 (Medium)


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

Show details on source website

JSON

To clipboard

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    "severity": "MODERATE"
  },
  "details": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Disable Login Page allows Functionality Bypass. This issue affects Disable Login Page versions: from 0.0.0 to 1.1.4.",
  "id": "GHSA-hcfp-75mm-jggh",
  "modified": "2026-09-04T21:31:41Z",
  "published": "2026-09-02T15:34:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16647"
    },
    {
      "type": "WEB",
      "url": "https://www.drupal.org/sa-contrib-2026-111"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-16647 (GCVE-0-2026-16647)

DRUPAL-CONTRIB-2026-111 (CVE-2026-16647)

FKIE_CVE-2026-16647

GHSA-HCFP-75MM-JGGH

Tags

Sightings

Nomenclature

Related by attack behaviour