Critical severity · published Oct 13, 2026
CVE-2026-90531
Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)
9.6
CVSS
1.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
Adobe Experience Manager 6.5 · Adobe
through 6.5.25 · source: vendor
AE
Adobe Experience Manager 6.5 LTS · Adobe
through 6.5 LTS SP3 · source: vendor
AE
Adobe Experience Manager as a Cloud Service · Adobe
through 2026.9.28187 · source: vendor
Affected product
AE
Adobe Experience Manager 6.5
Adobe
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