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Disable Login Page CVE-2026-16647

| EUVDEUVD-2026-69995 MEDIUM
Authentication Bypass Using an Alternate Path or Channel (CWE-288)
2026-09-02 mlhess@drupal.org GHSA-hcfp-75mm-jggh
4.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
4.1 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
vuln.today AI
5.8 MEDIUM

Auth bypass of a login-page block is most naturally exercised by unauthenticated users; scope change applies because Drupal core login is the impacted component.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

5
Metadata Corrected
Sep 04, 2026 - 22:40 vuln.today
tag: Drupal added
Analysis Generated
Sep 04, 2026 - 22:31 vuln.today
CVSS changed
Sep 04, 2026 - 20:22 NVD
4.1 (MEDIUM)
Patch available
Sep 02, 2026 - 14:17 EUVD
CVE Published
Sep 02, 2026 - 13:17 cve.org
UNKNOWN (no severity yet)

DescriptionNVD

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.

AnalysisAI

The Drupal contributed module 'Disable Login Page' fails to fully suppress access to Drupal's login interface, allowing its security control to be bypassed via an alternate path or channel (CWE-288). Affected versions span 0.0.0 through 1.1.4 (exclusive), targeting Drupal sites that rely on this module to hide their login page - typically to enforce SSO or obscure attack surface. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The 'Disable Login Page' Drupal contributed module (versions 0.0.0-1.1.4) must be installed and enabled on the target Drupal site - this module is not bundled with Drupal core and must be explicitly installed by a site administrator. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Real-world risk is low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade the 'Disable Login Page' Drupal module to version 1.1.4 or later, as identified in Drupal SA-contrib-2026-111 (https://www.drupal.org/sa-contrib-2026-111). … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-16647 vulnerability details – vuln.today

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