# PolyShell Attacks Breach Hundreds of Adobe Commerce Stores

A campaign dubbed PolyShell has compromised hundreds of online stores running Adobe Commerce, according to researchers tracking the intrusions. Investigators also report a rise in malicious traffic abusing Brotli compression in exploit attempts. The activity matters because Adobe Commerce underpins checkout and payment systems for large numbers of retailers, so breaches can expose customer data and disrupt sales.

**Importance:** 4/5

## Sources

### Security
- [The Hacker News](https://thehackernews.com/2026/10/adobe-commerce-polyshell-attacks-breach.html) — Wed, 28 Oct 2026 11:12:26 +0530