CVE-2026-48331 in Campaign Classic
Summary
by MITRE • 08/04/2026
Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in privilege escalation. Exploitation of this issue does not require user interaction. Scope is changed.
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Analysis
by VulDB Data Team • 08/10/2026
Adobe Campaign Classic contains a server-side request forgery vulnerability that allows attackers to make unauthorized requests from the server to internal systems. This flaw exists in the application's handling of remote resource requests and can be exploited without any user interaction, making it particularly dangerous as it can be triggered automatically by an attacker. The vulnerability falls under CWE-918 which specifically addresses server-side request forgery conditions where applications fail to properly validate or sanitize external URLs or resources that are requested on behalf of the server.
The technical implementation of this SSRF flaw allows an attacker to manipulate the application's internal network requests, potentially gaining access to sensitive internal services that would normally be protected by network segmentation. This type of vulnerability creates a pathway for attackers to bypass traditional network security controls and directly interact with internal systems through the compromised application server. The impact extends beyond simple data exfiltration as it can enable privilege escalation by allowing unauthorized access to administrative functions or sensitive system components.
When exploited, this vulnerability can result in significant operational damage including unauthorized access to internal databases, file systems, and administrative interfaces that are typically restricted from external access. The lack of user interaction requirement makes this vulnerability particularly attractive to automated attack tools and increases the potential for widespread exploitation across multiple targets. Attackers can leverage this flaw to enumerate internal network services, discover sensitive configurations, or escalate privileges to gain full administrative control over the affected Adobe Campaign Classic environment.
Organizations should implement immediate mitigations including strict input validation of all external resource references, implementing network segmentation to restrict internal service access, and deploying web application firewalls with SSRF detection capabilities. The vulnerability aligns with ATT&CK technique T1071.004 which covers application layer protocol communication and represents a common vector for lateral movement within compromised environments. Security teams should also consider implementing outbound traffic filtering rules and monitoring for unusual patterns of internal network requests that could indicate exploitation attempts. Regular security assessments and patch management processes are essential to prevent exploitation, as this vulnerability can be leveraged to establish persistent access and conduct extended reconnaissance operations against the affected organization's infrastructure.