CVE-2025-31691CRITICAL 9.8EPSS p25.9%

CVE-2025-31691CVE-2025-31691

Description

Missing Authorization vulnerability in Drupal OAuth2 Server allows Forceful Browsing.This issue affects OAuth2 Server: from 0.0.0 before 2.1.0.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.34% probability of exploitation · percentile 25.9% · 2026-06-18T12:00:27Z
Published2025-03-31
Last modified2025-09-02

Underlying weaknesses· 1

CWE-862

References

  1. https://www.drupal.org/sa-contrib-2025-020

1

TypeTargetConfidenceTier
WeaknessMissing Authorizationcwe-8620%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-31686
CVE
CVE-2025-31685
CVE
CVE-2025-31681
CVE
CVE-2025-31694
CVE
CVE-2025-31678
CVE
CVE-2026-8495
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.