CVE-2026-90531
Adobe Experience Manager | Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)
No known exploitation. EPSS puts it in the 40th percentile. Fixed versions are out.
What to do
Find your product and version, then upgrade to the build on the right.
- Adobe Experience Manager as a Cloud ServiceAffected: ≤ 2026.9.28187Upgrade to: after 2026.9.28187Fixed builds2026.9.28386Stated by: CVE record
- Adobe Experience Manager 6.5 LTSAffected: ≤ 6.5 LTS SP3Upgrade to: after 6.5 LTS SP3Fixed builds6.5 LTS SP1 - Hotfix for GRANITE-71772, 6.5 LTS SP2 - Hotfix for GRANITE-71772, 6.5 LTS SP3 - Hotfix for GRANITE-71772Stated by: CVE record
- Adobe Experience Manager 6.5Affected: ≤ 6.5.25Upgrade to: after 6.5.25Fixed builds6.5.22 - Hotfix for GRANITE-71772, 6.5.23 - Hotfix for GRANITE-71772, 6.5.24 - Hotfix for GRANITE-71772, 6.5.25 - Hotfix for GRANITE-71772Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.5% chance of exploitation activity in the next 30 days, which ranks it in the 40th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
- Attention now
Rising, driven by in-the-wild reports.
Lifecycle
6 events over 1 day, from the signal feeds we watch.
- Record updatedrecord updated
- Publishedweakness classified, att&ck mapped, record updated
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Scored 9.6 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
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