CVE-2026-90531: Adobe Experience Manager 6.5

Critical severity, CVSS 9.6. EPSS: 0.5% chance of exploitation in the next 30 days.

Adobe Experience Manager is affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in privilege escalation. A low-privileged attacker could exploit this vulnerability to gain elevated access to internal resources. Exploitation of this issue does not require user interaction. Scope is changed.

Affected products

• Adobe Adobe Experience Manager 6.5: up to and including 6.5.25
• Adobe Adobe Experience Manager 6.5 LTS: up to and including 6.5 LTS SP3
• Adobe Adobe Experience Manager As A Cloud Service: up to and including 2026.9.28187

Published 2026-10-13. Last modified 2026-10-14.