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CVE-2026-77352: CWE-918: Server-Side Request Forgery (SSRF) in ellite Wallos

0
Medium
VulnerabilityCVE-2026-77352cvecve-2026-77352cwe-918
Published: 08/31/2026 (08/31/2026, 21:21:06 UTC)
Source: CVE Database V5
Vendor/Project: ellite
Product: Wallos

Description

Wallos is an open-source, self-hostable personal subscription tracker. From version 2.0.0 to before version 5.0.0, any authenticated Wallos user (no admin rights required) can make the server open arbitrary outbound SMTP connections to internal/link-local addresses, by setting the SMTP host of their personal email notifications to an internal IP. The per-user notification settings endpoint (endpoints/notifications/saveemailnotifications.php) performs no SSRF validation, and the notification cron (endpoints/cronjobs/sendnotifications.php) feeds that user-controlled host straight into PHPMailer ($mail->Host = $email['smtpAddress']). When the user's subscription notification fires, the server connects to the chosen host:port. This issue has been patched in version 5.0.0.

CVSS v3.1

Score 4.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Technical Details

Data Version
5.2
Assigner Short Name
GitHub_M
Date Reserved
2026-08-20T19:28:35.244Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a95f425acd9273b499e7701

Added to database: 08/31/2026, 21:37:41 UTC

Last updated: 08/31/2026, 22:22:22 UTC

Views: 4

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