What is the CVSS score of CVE-2026-30828?

CVE-2026-30828 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Wallos are affected by CVE-2026-30828?

Wallos subscription tracker versions prior to 4.6.2 contain a local file disclosure vulnerability that allows attackers to access sensitive system files without authentication.. A patch is available.

Is there a public PoC exploit available for CVE-2026-30828?

Yes, a public proof-of-concept exploit is available for CVE-2026-30828. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-30828?

Within 24 hours: Identify all instances of Wallos running in your environment and document their version numbers and network accessibility. Within 7 days: Apply the available patch to upgrade all Wallos instances to version 4.6.2 or later. Within 30 days: Conduct a security audit to determine if the vulnerability was exploited and review access logs for suspicious file retrieval attempts targeting system paths.

Wallos CVE-2026-30828

HIGH

Path Traversal (CWE-22)

2026-03-07 security-advisories@github.com

Path Traversal Wallos Wallosapp

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 11, 2026 - 18:59 vuln.today

Public exploit code

Patch released

Mar 11, 2026 - 18:59 nvd

Patch available

CVE Published

Mar 07, 2026 - 06:16 nvd

HIGH 7.5

DescriptionGitHub Advisory

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, the url parameter can be used to retrieve local system files. This issue has been patched in version 4.6.2.

AnalysisAI

Path traversal in Wallos subscription tracker versions prior to 4.6.2 allows unauthenticated remote attackers to read arbitrary files from the hosting system via a malicious url parameter. Public exploit code exists for this vulnerability, which has a high severity CVSS score of 7.5. The vulnerability is patched in version 4.6.2 and later.

Technical ContextAI

Classified as CWE-22 (Path Traversal). Affects Wallos. Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, the url parameter can be used to retrieve local system files. This issue has been patched in version 4.6.2.

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 4.6.2.. Validate and sanitize file path inputs. Use allowlists. Restrict network access to the affected service where possible.