CVE-2026-90531 Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

Critical 9.6 Published 13 Oct 2026 Updated 14 Oct 2026

A low-privileged attacker can exploit an XXE vulnerability in Adobe Experience Manager to gain elevated access to internal resources without user interaction.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-90531?

CVE-2026-90531 is a critical vulnerability in Adobe Experience Manager, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

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.

Weakness: CWE-611

Which versions are affected by CVE-2026-90531?

It affects 1 product.

Products include Adobe Experience Manager.

How do I fix CVE-2026-90531?

No fix has been published for CVE-2026-90531 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-90531 being exploited?

There is no known exploitation of CVE-2026-90531 in the wild and no public exploit code.

All Adobe Experience Manager vulnerabilities

Sources

Also known as GHSA-r3pm-6x5c-8wc2.