CVE-2026-48289: 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 access to Adobe Experience Manager Author/Publish/management interfaces to trusted IP ranges using firewall rules, network ACLs, or VPN; avoid exposing management endpoints publicly to reduce the chance a user will visit a malicious URL.
- Compensating control
Deploy and tune a Web Application Firewall (WAF) or HTTP request filtering to inspect and block maliciously crafted URLs and known exploit patterns targeting AEM, preventing exploitation that requires a victim to visit a malicious URL.
- Compensating control
Provide user awareness guidance to administrators and users: do not click untrusted or suspicious links and avoid interacting with unknown web pages that could trigger the vulnerability.
- Operational
Monitor AEM application and audit logs for indicators of unauthorized write activity or anomalous content changes; investigate, revert any unauthorized modifications, and follow incident response procedures if suspicious activity is found.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-48289?
The severity of CVE-2026-48289 is low, with a CVSS score of 3.5.
How do I fix CVE-2026-48289?
To fix CVE-2026-48289, upgrade to Adobe Experience Manager version 6.5.25 or later.
What type of vulnerability is CVE-2026-48289?
CVE-2026-48289 is categorized as an Improper Input Validation vulnerability.
Who is affected by CVE-2026-48289?
Adobe Experience Manager versions 6.5.24, LTS SP1, and earlier are affected by CVE-2026-48289.
What can an attacker achieve with CVE-2026-48289?
A low-privileged attacker can use CVE-2026-48289 to bypass security measures and potentially gain unauthorized write access.