Vulnerability · Published Oct 13, 2026 · Assigned by adobe
CVE-2026-90531Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)
Critical 9.6
In plain English
A critical-severity XML external entity in Adobe Experience Manager 6.5 from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Adobe Experience Manager as a Cloud Service | 0 – through 2026.9.28187 |
| Adobe | Adobe Experience Manager 6.5 LTS | 0 – through 6.5 LTS SP3 |
| Adobe | Adobe Experience Manager 6.5 | 0 – through 6.5.25 |
Weakness: CWE-611 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N