CVE-2025-14761: AWS SDK for PHP's S3 Encryption Client has a Key Commitment Issue

medium Affects aws/aws-sdk-php. Feed 2026.10.29.3, updated 2026-10-29; published 2025-12-18; advisory modified 2026-09-10.

AWS SDK for PHP's S3 Encryption Client has a Key Commitment Issue

Package: aws/aws-sdk-php Composer
Affected versions: <3.368.0 or >=3.0.0 and <3.368.0
Fixed in: 3.368.0
Severity: medium CVSS 5.3
Exploitation: not on CISA KEV · EPSS 0% (11.4th percentile)
Published: 2025-12-18
Source: osv.dev

References

CWE-327

NVD record aws/aws-sdk-php advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2015-5723 high Doctrine Security Misconfiguration Vulnerability same package: aws/aws-sdk-php
CVE-2023-51651 medium Potential URI resolution path traversal in the AWS SDK for PHP same package: aws/aws-sdk-php
GHSA-27qh-8cxx-2cr5 high AWS SDK for PHP has CloudFront Policy Document Injection via Special Characters same package: aws/aws-sdk-php
CVE-2007-6013 critical Wordpress 1.5 through 2.3.1 uses cookie values based on the MD5 hash of a password MD5 has same weakness: CWE-327
CVE-2022-0377 medium Users of the LearnPress WordPress plugin before 4.1.5 can upload an image as a profile ava same weakness: CWE-327
CVE-2020-15098 high Missing Required Cryptographic Step Leading to Sensitive Information Disclosure in TYPO3 C same weakness: CWE-327