CVE-2026-48359 describes an Improper Restriction of XML External Entity Reference (XXE) vulnerability in Adobe Experience Manager as a Cloud Service. This vulnerability enables an attacker with low privileges to exploit XML parsing to read sensitive files and potentially execute arbitrary code under the current user's context. The issue does not require user interaction and affects the security scope, allowing escalation of privileges or session compromise. The CVSS v3.1 base score is 9.6, indicating critical impact on confidentiality and integrity. No vendor advisory or patch information is currently available to confirm remediation status.

Successful exploitation can lead to disclosure of sensitive files and arbitrary code execution with the privileges of the current user, potentially resulting in elevated access or control over user accounts or sessions. The vulnerability affects confidentiality and integrity but not availability. The critical CVSS score reflects the high impact of this vulnerability.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor Adobe's security advisories for updates. No vendor-provided mitigation or temporary fix is currently documented.