CVE-2025-49554: 
PHP vulnerability analysis and mitigation

CVE-2025-49554 is an Improper Input Validation vulnerability affecting 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. The vulnerability was disclosed on August 12, 2025, and could lead to application denial-of-service (NVD Database).

The vulnerability is classified as CWE-20 (Improper Input Validation) with a CVSS v3.1 base score of 7.5 (HIGH). The attack vector is network-based (AV:N), with low attack complexity (AC:L), requiring no privileges (PR:N) or user interaction (UI:N). The scope is unchanged (S:U), with no impact on confidentiality (C:N) or integrity (I:N), but high impact on availability (A:H) (NVD Database).

When exploited, this vulnerability allows an attacker to cause the application to crash or become unresponsive through specially crafted input, resulting in a denial-of-service condition. The exploitation does not require user interaction, making it particularly concerning for exposed systems (NVD Database).

The vulnerability can be exploited by providing specially crafted input to the affected Adobe Commerce installations. No user interaction is required for successful exploitation, making it particularly accessible to potential attackers (NVD Database).

Adobe has released security updates to address this vulnerability. Users are advised to update their Adobe Commerce installations to the latest available version that includes the security fix (Adobe Advisory).