CVE-2026-39178 in SOGo
Summary
by MITRE • 07/09/2026
A SQL injection vulnerability in SOGo before 5.12.7 allows authenticated users to execute arbitrary SQL statements via the search parameter of the allContactSearch endpoint.
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Analysis
by VulDB Data Team • 07/09/2026
This vulnerability represents a critical sql injection flaw in the SOGo collaborative software platform that affects versions prior to 5.12.7. The issue manifests through the allcontactsearch endpoint where authenticated users can manipulate the search parameter to inject malicious sql commands into the backend database query execution process. This type of vulnerability falls under the common weakness enumeration category CWE-89 which specifically addresses sql injection vulnerabilities where untrusted data is incorporated into sql queries without proper sanitization or parameterization. The attack vector requires an authenticated user context, meaning that adversaries must first establish valid credentials before exploiting this weakness, though this lowers the overall attack complexity compared to unauthenticated exploits.
The technical implementation of this vulnerability stems from improper input validation and query construction within the contact search functionality. When users submit search queries through the allcontactsearch endpoint, the application fails to properly sanitize or parameterize the search parameter before incorporating it into sql statements. This allows malicious actors to append additional sql commands that get executed with the privileges of the database user account used by SOGo. The operational impact extends beyond simple data extraction as attackers could potentially modify, delete, or manipulate contact information, access sensitive user data, or even escalate privileges within the database environment. The vulnerability affects organizations using SOGo for email and calendar services where contact management is a core feature.
From an attack perspective this vulnerability aligns with several techniques documented in the attack tactics and techniques framework, particularly those related to credential access and privilege escalation through database manipulation. The fact that authentication is required limits the scope of potential attackers but does not eliminate the risk as compromised accounts or insider threats could still exploit this weakness. Organizations relying on SOGo for collaborative services face significant exposure since contact databases often contain sensitive information including email addresses, phone numbers, and organizational relationships that could be leveraged for further attacks. The vulnerability demonstrates poor input validation practices and highlights the importance of implementing proper parameterized queries or prepared statements to prevent sql injection.
Organizations should immediately upgrade to SOGo version 5.12.7 or later where this vulnerability has been addressed through proper input sanitization and query parameterization. Additional mitigations include implementing strict access controls for the allcontactsearch endpoint, monitoring for unusual search patterns that might indicate injection attempts, and conducting regular security assessments of web applications. The fix typically involves ensuring that user-supplied input is properly escaped or parameterized before being included in sql queries, which directly addresses the underlying cause of CWE-89 vulnerabilities. Security teams should also consider implementing web application firewalls to detect and block suspicious sql injection patterns while maintaining audit logs for security monitoring purposes. This vulnerability underscores the critical importance of keeping collaborative software platforms updated and following secure coding practices that prevent injection attacks at the source.