CVE-2025-49558: 
PHP vulnerability analysis and mitigation

A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability (CVE-2025-49558) was identified in Adobe Commerce and Magento Open Source. The vulnerability affects multiple versions including Adobe Commerce versions 2.4.9-alpha1, 2.4.8-p1, 2.4.7-p6, 2.4.6-p11, 2.4.5-p13, 2.4.4-p14 and earlier. This security issue was disclosed on August 12, 2025 (NVD).

The vulnerability is classified as a Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) that could lead to security feature bypass. The CVSS v3.1 base score is 5.9 (Medium) with the following vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N, indicating network accessibility with high attack complexity, no privileges required, and no user interaction needed (NVD).

The vulnerability could result in a security feature bypass, allowing unauthorized write access to resources. The impact is primarily focused on integrity, with no direct effect on confidentiality or availability as indicated by the CVSS metrics (NVD).

The vulnerability can be exploited by manipulating the timing between the check of a resource's state and its use. No user interaction is required for exploitation, though the attack complexity is considered high. The vulnerability is accessible through the network vector (NVD).

Adobe has released security updates to address this vulnerability. Users should upgrade to the latest versions of the affected software. The vulnerability affects multiple versions of Adobe Commerce and Magento Open Source, and updating to patched versions is recommended (Adobe Advisory).