Vulnerability · Published Sep 2, 2026 · Assigned by drupal

CVE-2026-73478Diff - Moderately critical - Access bypass - SA-CONTRIB-2026-096

Medium 5.3

In plain English

A medium-severity incorrect authorization in Diff from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Incorrect Authorization vulnerability in Drupal Diff allows Forceful Browsing. This issue affects Diff versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagist:https://packages.drupal.org/8drupal/diff2.0.1, 2.1.1DRUPAL-CONTRIB-2026-096

Affected products (as reported)

VendorProductVersions
Drupal Diff 0.0.0 – before 2.0.12.1.0 – before 2.1.1

Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References