What is CVE-2025-31681?

CVE-2025-31681 is a critical-severity vulnerability in Authenticator Login Project, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-03-31.

How severe is CVE-2025-31681?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Authenticator Login Project

CVE-2025-31681

Missing Authorization vulnerability in Drupal Authenticator Login allows Forceful Browsing.This issue affects Authenticator Login: from 0.0.0 before 2.0.6.

Vulnerability class: Broken Access Control

Published 2025-03-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (33.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Authenticator Login Project
Drupal Authenticator Login — versions 0.0.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.drupal.org/sa-contrib-2025-009 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-31681?: CVE-2025-31681 is a critical-severity vulnerability in Authenticator Login Project, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-03-31.
How severe is CVE-2025-31681?: Critical severity. CVSS v3 base score is 9.8 out of 10.