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Wallos CVE-2026-30828

HIGH
Path Traversal (CWE-22)
2026-03-07 security-advisories@github.com
Path Traversal Wallos
7.5
CVSS 3.1 · GitHub Advisory
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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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

4
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. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send crafted request with malicious url parameter
Exploit
Path traversal vulnerability processes local file path
Impact
Retrieve sensitive system files via response
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Vulnerability AssessmentAI

Exploitation No special conditions — remote unauthenticated exploitation against Wallos versions prior to 4.6.2 with url parameter functionality enabled. Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 7.5 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all instances of Wallos running in your environment and document their version numbers and network accessibility. …

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CVE-2026-30828 vulnerability details – vuln.today
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