CVE-2026-11914
Composer - Critical - Unsupported - SA-CONTRIB-2026-046
vulnerability in Drupal Composer allows . This issue affects Composer versions: ..
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.9
Composer - Critical - Unsupported - SA-CONTRIB-2026-046
vulnerability in Drupal Composer allows . This issue affects Composer versions: ..
- Record
CVE-2026-11914- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-43092
5.9
vulnerability in Drupal Composer allows . This issue affects Composer versions: ..
- Record
EUVD-2026-43092- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qfp7-j94c-gx97
5.9
vulnerability in Drupal Composer allows . This issue affects Composer versions: *.*.
vulnerability in Drupal Composer allows . This issue affects Composer versions: ..
- Record
GHSA-qfp7-j94c-gx97- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
5.9
vulnerability in Drupal Composer allows . This issue affects Composer versions: ..
- Record
CVE-2026-11914- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVDRUPAL-CONTRIB-2026-046 No score
The security team is marking the Composer module for Drupal project unsupported. There is a known security issue with the project that has not been fixed by the maintainer. If you would like to maintain this project, please read: https://www.drupal.org/node/251466#s-becoming-owner-maintainer-or-co-mai...
Note: this is about a project for the Drupal system that makes use of composer. It is not a vulnerability in the composer software itself.
- Record
DRUPAL-CONTRIB-2026-046- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
drupal/composerPackagist:https://packages.drupal.org/8 |
All versions | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-11914 is a medium vulnerability (CVSS 5.9) in Composer, published June 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.