28 October 2026
Reference: CVE-2026-48356
1. What is being reported?
Adobe Commerce and Magento have a vulnerability where attackers can upload dangerous files without restrictions. If a user visits a malicious link or interacts with a compromised webpage, the attacker can execute harmful code as if they were that user, possibly gaining higher access or control.
2. What this means in plain English
For small organisations using Adobe Commerce or Magento, this means attackers could hijack your website or user accounts, leading to data loss, theft, or disruption of your online services. Because the attack requires someone to click a bad link or visit a harmful page, staff awareness is also important.
3. Could this affect a small business?
If your organisation uses Adobe Commerce or Magento for your website or online store, you could be at risk. If you do not use these products, this vulnerability does not affect you. Check with your IT provider if you are unsure.
4. What to do now
- Contact your IT provider or software supplier immediately to check if you use Adobe Commerce or Magento and if your version is affected.
- Apply any security updates or patches provided by Adobe as soon as possible following their instructions.
- Ensure your staff are cautious about clicking unknown links or visiting suspicious websites to reduce the risk of exploitation.
- Review your website and server logs for any unusual activity and report concerns to your IT provider.
5. Ask your IT provider
Can you confirm if our Adobe Commerce or Magento installation is affected by CVE-2026-48356, and have all recommended security updates or mitigations been applied?
6. Bottom line
If you use Adobe Commerce or Magento, act quickly to update and protect your systems from this actively exploited vulnerability.
Information sourced from CISA KEV, NVD, and reputable security reporting.