Vulnerability · CVE-2026-122057

This module enables you to upload files from the browser directly to Amazon S3 and register them as Drupal files, bypassing normal PHP file size and timeout limits.

Published Nov 4, 2026 · catalog updated Nov 4, 2026 · This module enables you

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Open the advisory

Exploitation likelihood is not on this record for CVE-2026-122057. A missing EPSS score is not a low risk. Compare This module enables you with the linked advisory before you change production.

Gaps on this record

The stored product name is a package slug. The name on this page is taken from the title (This module enables you).
No vendor fix or required action is stored. Compare the linked advisory before you change production.
EPSS is missing. A missing score is not a low risk.

Severity: Unknown—
Known exploitation: Not in CISA/VulnCheck KEV
EPSS: Not in the current FIRST EPSS dataset
Remediation: Not established
Affected products: Packagist:https://packages.drupal.org/8 drupal/s3fs_cors

This module enables you to upload files from the browser directly to Amazon S3 and register them as Drupal files, bypassing normal PHP file size and timeout limits. The module doesn't sufficiently check access to file uploads. Under certain scenarios, users can delete files they should not have access to.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

Packagist:https://packages.drupal.org/8 drupal/s3fs_cors0 → 1.3.0

How to fix CVE-2026-122057

Upgrade
CVE-2026-122057 lists a fix boundary at 1.3.0. Compare the installed build with that boundary before you change production.
Version check
Fixed in 1.3.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
- CVE.org · cve.org
- OpenSSF OSV / OSV Scanner · osv.dev

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

Exploitation likelihood is not on this record for CVE-2026-122057. A missing EPSS score is not a low risk. Compare This module enables you with the linked advisory before you change production.

Which versions are affected?

Compare what you have installed with 0 → 1.3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Drupal security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Nov 4, 2026 · OpenSSF OSV / OSV Scanner
Detected
This module enables you to upload files from the browser directly to Amazon S3 and register them as Drupal files, bypassing normal PHP file size and timeout limits. The module doesn't sufficiently check access to file uploads. Under certain scenarios, users can delete files they should not have access to.
Nov 4, 2026 · OpenSSF OSV / OSV Scanner
Fix available
drupal/s3fs_cors fixed in 1.3.0
Nov 4, 2026 · OpenSSF OSV / OSV Scanner
Fix available
drupal/s3fs_cors fixed in 1.3.0
Nov 4, 2026 · OpenSSF OSV / OSV Scanner
Updated
This module enables you to upload files from the browser directly to Amazon S3 and register them as Drupal files, bypassing normal PHP file size and timeout limits. The module doesn't sufficiently check access to file uploads. Under certain scenarios, users can delete files they should not have access to.

Sources

CVE.orgVulnerability recordCVE-2026-122057
CVE.org record is not available yet.
cve.org
OpenSSF OSV / OSV ScannerPackage advisoryDRUPAL-CONTRIB-2026-295
osv.dev

References

WEB · drupal.org

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

OpenSSF OSV / OSV ScannerNov 6, 2026
CVE.orgNov 5, 2026