CVE-2026-103848 Adobe CVE debrief

Who should care

Defenders responsible for Adobe Experience Manager installations should assess exposure and apply patches or hotfixes as needed to prevent potential code execution. This includes verifying exposure by checking installed Adobe Experience Manager versions against vendor-provided affected versions, applying vendor-provided patches or hotfixes, and monitoring systems for suspicious activity related to OS command injection.

Why it matters

Defenders should prioritize verifying exposure and applying vendor-provided patches to prevent potential code execution in Adobe Experience Manager installations.

• Verify and apply patches or hotfixes to prevent potential code execution.
• Monitor systems for suspicious activity related to OS command injection.
• Assess exposure by checking installed Adobe Experience Manager versions against vendor-provided affected versions.

Technical summary

Adobe Experience Manager is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. This could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. The vulnerability's scope has been changed. Defenders should prioritize verifying exposure and applying vendor-provided patches to prevent potential code execution.

Defensive priority

Defenders should prioritize verifying exposure and applying vendor-provided patches.

Recommended defensive actions

• Verify exposure by checking installed Adobe Experience Manager versions against vendor-provided affected versions.
• Apply vendor-provided patches or hotfixes for affected Adobe Experience Manager versions.
• Monitor systems for suspicious activity related to OS command injection.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and vendor advisory provide details on the vulnerability and affected versions. The vulnerability is caused by improper neutralization of special elements used in an OS command. The CVE Program record and NIST NVD detail page offer additional information on the vulnerability and its impact. The vendor advisory provides information on affected versions and patches.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.