TL;DR On October 27, CISA added two actively exploited flaws to its Known Exploited Vulnerabilities list, better known as the CISA KEV catalog. The first, CVE-2026-48356, hits Adobe Commerce and Magento. The second, CVE-2026-111497, is a Brotli vulnerability in Google's widely used compression library. CISA says it has evidence of active exploitation for both flaws. Federal agencies must patch by November 10, 2026.