Server-Side Request Forgery in Wallos Subscription Tracker
CVE-2026-30840

8.8HIGH

Key Information:

Vendor

Ellite

Status
Wallos
Vendor
CVE Published:
7 March 2026

What is CVE-2026-30840?

Wallos, an open-source, self-hostable personal subscription tracker, prior to version 4.6.2, is susceptible to a server-side request forgery (SSRF) vulnerability within its notification testers. This vulnerability can potentially allow an attacker to send unauthorized requests to internal resources, compromising the security of the affected systems. Users are advised to upgrade to version 4.6.2 or later to mitigate this risk. For more details and insights, refer to the security advisories and patch notes on the Wallos GitHub page.

Affected Version(s)

Wallos < 4.6.2

References

https://github.com/ellite/Wallos/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/ellite/Wallos/commit/e8a513591dbbf8859...
x_refsource_MISC
https://github.com/ellite/Wallos/releases/tag/v4.6.2
x_refsource_MISC

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.