CVE-2020-26104: 
cPanel vulnerability analysis and mitigation

In cPanel before 88.0.3, an insecure SRS (Sender Rewriting Scheme) secret is used on a templated VM (SEC-552) (CISA Bulletin, CVE Mitre).

The vulnerability is tracked as CVE-2020-26104 and affects cPanel installations prior to version 88.0.3. The issue stems from the use of an insecure SRS secret in templated virtual machine environments, which could potentially compromise the security of email handling (CISA Bulletin).

The use of an insecure SRS secret could potentially allow attackers to manipulate or compromise email handling on affected systems. This vulnerability affects the security of email processing in cPanel installations running on templated virtual machines (CVE Mitre).

The vulnerability requires access to a templated VM environment running an affected version of cPanel. No specific exploit details or reports of active exploitation in the wild have been publicly disclosed (CISA Bulletin).

The vulnerability has been fixed in cPanel version 88.0.3. System administrators should upgrade to this version or later to address the security issue (CVE Mitre).