EUVD-2026-43074
GHSA-v36x-q6gx-86g9
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Network-reachable brute-force attack requiring a low-privilege account; limited confidentiality and integrity impact from credential access, no availability impact.
Primary rating from Vendor (drupal).
CVSS VectorVendor: drupal
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
4DescriptionCVE.org
Improper Restriction of Excessive Authentication Attempts vulnerability in Drupal Login Disable allows Brute Force. This issue affects Login Disable versions: from 0.0.0 to 2.1.4.
AnalysisAI
Brute-force credential attacks against Drupal sites running the Login Disable contrib module (versions 0.0.0 through 2.1.4) are enabled by the module's failure to restrict excessive authentication attempts (CWE-307). The module, intended to provide administrators with login-gating controls, paradoxically omits rate-limiting enforcement, allowing a low-privileged attacker to enumerate or compromise user credentials via automated requests. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target Drupal site to have the Login Disable contrib module installed and active in a version prior to 2.1.4. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The official CVSS 3.1 score is 5.4 (Medium), reflecting limited impact (C:L/I:L/A:N) and a requirement for low-privilege authentication (PR:L). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with a low-privilege Drupal account on a site running Login Disable prior to 2.1.4 submits automated credential-stuffing requests against other user accounts using a leaked password list, exploiting the absence of rate limiting or lockout in the module. Because no throttling is enforced, thousands of attempts can be made in rapid succession without triggering a block, potentially yielding valid credentials for higher-privileged accounts. … |
| Remediation | The primary fix is to update the Drupal Login Disable module to version 2.1.4 or later, which addresses the lack of authentication-attempt restriction per the vendor advisory at https://www.drupal.org/sa-contrib-2026-070. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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