CVE-2026-48356: critical Adobe Commerce flaw now in CISA KEV

CVE-2026-48356 affects Adobe Commerce and is classified as an Unrestricted Upload of File with Dangerous Type vulnerability. According to the official NVD description, exploitation could lead to arbitrary code execution in the context of the current user, potentially gaining elevated access to the victim's account or session. The attack requires user interaction: the victim must visit a maliciously crafted URL or interact with a compromised web page.

The declared severity is critical, with CVSS 9.3 and changed scope, an impact capable of extending beyond the vulnerable component. Published on NVD on July 14, 2026, it was added to CISA's KEV catalog on October 27, 2026, with a remediation deadline of November 10, 2026. There are 13 social posts in the last 24 hours, an unverified signal of community attention; no repositories with claimed exploits appear in the available data.

For teams managing Adobe Commerce, the priority is checking installation status and applying official Adobe patches as soon as available, given the KEV listing's tight deadline. It is useful to strengthen upload controls, limit privileges for users who can upload files, and train staff not to interact with suspicious URLs or pages, since exploitation requires user interaction. Monitoring official Adobe and CISA advisories remains the most reliable measure.