Improper Neutralization Affecting aws/aws-sdk-php package, versions >=3.11.7, <3.371.4


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-PHP-AWSAWSSDKPHP-15874415
  • published2 Apr 2026
  • disclosed27 Mar 2026
  • creditUnknown

Introduced: 27 Mar 2026

CVE NOT AVAILABLE CWE-150  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade aws/aws-sdk-php to version 3.371.4 or higher.

Overview

Affected versions of this package are vulnerable to Improper Neutralization via the CloudFront signing utilities when unsanitized input containing special characters is passed to the policy document generation process. An attacker can alter access restrictions by injecting specially crafted input values.

CVSS Base Scores

version 4.0
version 3.1