Vulnerability Description
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 notification endpoint uses ssrf_helper.php but email was missed. Any authenticated user can probe internal network, cloud metadata. This issue has been patched in version 4.9.6.
Related Weaknesses (CWE)
References
- https://github.com/ellite/Wallos/commit/b75f13d0ffa3ed7e77e8e79e4b9fd3fc528c98d3
- https://github.com/ellite/Wallos/pull/1092
- https://github.com/ellite/Wallos/releases/tag/v4.9.6
- https://github.com/ellite/Wallos/security/advisories/GHSA-f8r5-v75m-385h
FAQ
What is CVE-2026-61638?
CVE-2026-61638 is a documented vulnerability. 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 ...
How severe is CVE-2026-61638?
CVSS scoring is not yet available for CVE-2026-61638. Check NVD for updates.
Is there a patch for CVE-2026-61638?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.