Critical SSRF Exploit in Adobe Campaign Classic: Enterprise Privilege Escalation Threat
Overview
Adobe Campaign Classic harbors a critical SSRF vulnerability (CVE-2026-48331) with a 10.0 CVSS score, allowing unauthenticated attackers to forge server requests, escalate privileges, and access internal resources without user interaction. Immediate remediation is required.
Technical Analysis
The SSRF vulnerability arises from improper validation of URL parameters in ACC web endpoints, enabling attackers to redirect server requests to internal services (e.g., 169.254.169.254 metadata services). Attackers can exploit this to extract sensitive data, escalate privileges, or pivot to backend systems. The 'changed scope' CVSS metric confirms impact extends beyond the application, risking cross-segment compromise.
Enterprise & DIB Impact
Defense Industrial Base (DIB) entities and enterprises using ACC for marketing operations face elevated risks of data exfiltration, system compromise, and IP theft via lateral movement. Attackers could leverage SSRF to access zero-trust-protected internal APIs and cloud metadata services.
Recommended Actions
- Apply Adobe's latest security patches immediately
- enforce strict URL validation and filtering for ACC endpoints
- segment ACC systems from internal networks
- monitor for requests to sensitive IPs (e.g.
- 169.254.169.254)
- and restrict metadata service access using IAM roles
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