CVE-2026-30840: Wallos: Server-Side Request Forgery (SSRF) in Notification Testers
Published Mar 7, 2026
·Updated
Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, there is a server-side request forgery vulnerability in notification testers. This issue has been patched in version 4.6.2.
Affected Software
2 affected components
npm/wallos<4.6.2
Wallosapp Wallos<4.6.2
Remediation
Event History
Mar 7, 2026
CVE Published
via MITRE·05:39 AM
Data Sourced
via MITRE·05:39 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Feb 17, 58167
Event
via FIRST·08:09 PM
Frequently Asked Questions
1
What is the severity of CVE-2026-30840?
CVE-2026-30840 is classified as a medium severity vulnerability due to its potential for unauthorized data access and server exploitation.
2
How do I fix CVE-2026-30840?
To fix CVE-2026-30840, upgrade Wallos to version 4.6.2 or later to mitigate the server-side request forgery vulnerability.
3
What software is affected by CVE-2026-30840?
CVE-2026-30840 affects versions of Wallos prior to version 4.6.2.
4
Can CVE-2026-30840 be exploited remotely?
Yes, CVE-2026-30840 can be exploited remotely through crafted requests to the notification testers in Wallos.
5
What type of vulnerability is CVE-2026-30840?
CVE-2026-30840 is a server-side request forgery (SSRF) vulnerability.