CVE-2026-30840

HIGH
2026-03-07 [email protected]
8.8
CVSS 3.0
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CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Mar 11, 2026 - 18:32 vuln.today
Public exploit code
Patch Released
Mar 11, 2026 - 18:32 nvd
Patch available
CVE Published
Mar 07, 2026 - 06:16 nvd
HIGH 8.8

Tags

SSRF 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.

Analysis

Server-side request forgery in Wallos versions before 4.6.2 allows authenticated attackers to conduct arbitrary network requests through the notification tester functionality. An attacker with user privileges can exploit this to access internal services, retrieve sensitive data, or interact with backend systems on behalf of the server. …

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Remediation

Within 24 hours: Inventory all Wallos deployments and confirm versions in use. Within 7 days: Apply vendor patch to upgrade all instances to version 4.6.2 or later, and validate successful deployment. …

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Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: +20

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CVE-2026-30840 vulnerability details – vuln.today
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