CVE-2026-103946

Nessus 6.x before version 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.

Nessus 6.10.x before 6.10.5 was found to be vulnerable to a local privilege escalation issue due to insecure permissions when running in Agent Mode.

Nessus versions 6.6.2 to 6.10.3 contain a flaw related to insecure permissions that may allow a local attacker to escalate privileges when the software is running in Agent Mode.

A SQL injection vulnerability in Nessus allows an attacker to craft a malicious scan result file that, when imported by a privileged user, injects malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data.

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data.

A pass-back vulnerability exists in the Nessus application before version 10.6.0, allowing an authenticated remote attacker with administrator privileges to uncover stored SMTP credentials.