CVE-2026-48288: Adobe Experience Manager | Improper Input Validation (CWE-20)
Adobe Experience Manager versions 6.5.24, LTS SP1, 2026.04 and earlier are affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Restrict external access to Adobe Experience Manager (authoring/management) interfaces to trusted IPs or networks via firewall, VPN, or ACLs to reduce exposure to maliciously crafted URLs.
- Compensating control
Deploy and configure a Web Application Firewall (WAF) or reverse proxy in front of AEM to detect and block maliciously crafted URLs and suspicious request patterns that could trigger the improper input validation vulnerability.
- Operational
Increase monitoring and logging for AEM write operations and related request parameters; create alerts for unexpected or anomalous write requests and investigate any suspicious activity promptly.
- Operational
Inform and train users with access to AEM (authors, administrators) to avoid clicking untrusted links or interacting with suspicious web pages, since exploitation requires user interaction.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-48288?
The severity of CVE-2026-48288 is low with a score of 3.5.
How can I fix CVE-2026-48288?
To fix CVE-2026-48288, ensure you update to a patched version of Adobe Experience Manager that is not vulnerable.
What versions of Adobe Experience Manager are affected by CVE-2026-48288?
Adobe Experience Manager versions 6.5.24, LTS SP1, and 2026.04 and earlier are affected by CVE-2026-48288.
What type of vulnerability is CVE-2026-48288?
CVE-2026-48288 is an Improper Input Validation vulnerability that could allow security feature bypass.
Who can exploit CVE-2026-48288?
A low-privileged attacker could exploit CVE-2026-48288 to bypass security measures and gain unauthorized write access.