Is CVE-2026-30840 actively exploited?

CVE-2026-30840 has no public evidence of in-the-wild exploitation as of 2026-03-11.

What is the CVSS score for CVE-2026-30840?

CVE-2026-30840 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-30840?

Patch guidance is available from wallosapp security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-30840.

Fix CVE-2026-30840 - HIGH wallosapp wallos

Description

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.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-295 CWE-918 · Server-Side Request Forgery

Metadata

Primary Vendor: WALLOSAPP
Published: 3/7/2026
Last Modified: 3/11/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

wallosapp : wallos

Remediation Guidance

Executive Summary

Cite this page

CVE-2026-30840. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2026-30840

View on NIST NVD

CVE-2026-30840 vulnerability