Vulnerability · Published Jul 10, 2026 · Assigned by drupal
CVE-2026-11914Composer - Critical - Unsupported - SA-CONTRIB-2026-046
Medium 5.9
In plain English
A medium-severity improper input validation in Composer 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 29% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.3%top 71.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
vulnerability in Drupal Composer allows . This issue affects Composer versions: *.*.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist:https://packages.drupal.org/8 | drupal/composer | no fix listed | DRUPAL-CONTRIB-2026-046 |
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N