Adobe Experience Manager: Code injection leading to arbitrary code execution
Summary
Adobe Experience Manager (AEM) contains a code injection vulnerability (CWE-94) that allows arbitrary code execution in the context of the current user. An attacker with a low-privileged account on the network can exploit it without user interaction, and the scope of the impact changes beyond the vulnerable component. The CVSS base score is 9.9 (Critical). Adobe has released fixes in APSB26-189.
Affected
- AEM as a Cloud Service: 0 to 2026.10.29023 (according to the official CVE record)
- AEM 6.5: 0 to 6.5.25
- AEM 6.5 LTS: 0 to 6.5 LTS SP3
Fixed in
- AEM as a Cloud Service: 2026.10.29251
- AEM 6.5: Cumulative Hotfix for GRANITE-75052 (Service Packs 23 to 25); the official CVE record names GRANITE-75398, so verify the hotfix name in APSB26-189
- AEM 6.5 LTS: Cumulative Hotfix for GRANITE-75052 (Service Packs 1 to 3); the official CVE record names GRANITE-75398, so verify the hotfix name in APSB26-189
Workaround
Unknown.
Exploitation
- Adobe is not aware of any exploits in the wild for the issues in APSB26-189.
- No public proof of concept identified.
Our recommendation
- Check whether your AEM instances are Cloud Service or on-premise 6.5 / 6.5 LTS, and compare the versions with the affected ranges.
- Apply the Cloud Service release 2026.10.29251 or the hotfix from APSB26-189 with priority.
- Until patched, restrict access to AEM author instances and review accounts with low privileges.
- Remove unused accounts and monitor server logs for unusual script or code execution activity.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Adobe Security Bulletin APSB26-189 www.adobe.com
- OffSeq threat radar: CVE-2026-113579 radar.offseq.com
- Strix: CVE-2026-113579 www.strix.ai
- Zero Day Initiative: November 2026 security update review www.zerodayinitiative.com
- AEM Cloud Service maintenance release notes experienceleague.adobe.com
- AEM release updates roadmap experienceleague.adobe.com
- Stack.watch: Adobe Experience Manager stack.watch
- EUVD-2026-113579 vulners.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 10 Nov 2026, 23:30.
Original description (NVD)
Adobe Experience Manager is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that 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. Scope is changed.
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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