Vulnerability · Published Oct 30, 2026 · Assigned by drupal
CVE-2026-114542Simple OAuth (OAuth2) & OpenID Connect - Moderately critical - Access bypass - SA-CONTRIB-2026-242
Unrated
In plain English
A security flaw in Simple OAuth (OAuth2) & OpenID Connect from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS )–Not rated
Exploit odds (30 days)0.1%top 95.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Use of Web Browser Cache Containing Sensitive Information vulnerability in Drupal Simple OAuth (OAuth2) & OpenID Connect allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Simple OAuth (OAuth2) & OpenID Connect versions: from 6.1.0 to 6.1.3.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/simple_oauth | 6.1.3 | DRUPAL-CONTRIB-2026-242 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Simple OAuth (OAuth2) & OpenID Connect | 6.1.0 – before 6.1.3 |
Weakness: CWE-525