CVE-2026-61638 Wallos: SSRF via Test Email Notification - unvalidated SMTP host/port

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/notifications/testemailnotifications.php accepts smtpaddress and smtpport from POST body with zero SSRF validation. PHPMailer connects to attacker-supplied host:port. Every other...

CVE-2026-61638

CVE-2026-61638 affects Wallos , an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6 , the endpoint POST /endpoints/notifications/testemailnotifications.php accepts smtpaddress and smtpport from the request body with no SSRF validation , allowing PHPMailer to connec...