XXE in Adobe Experience Manager 6.5
CVE-2026-90531
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/experience-manager/apsb26-152.html (vendor-advisory)
Frequently asked questions
- What is CVE-2026-90531?
- CVE-2026-90531 is a critical-severity vulnerability in Adobe Experience Manager 6.5, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.6/10. Published 2026-10-13.
- How severe is CVE-2026-90531?
- Critical severity. CVSS v3 base score is 9.6 out of 10.