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[Japanese]
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JVNDB-2026-000068
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Lhaz and Lhaz+ vulnerable to path traversal
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Lhaz and Lhaz+ provided by Chitora soft contain the following vulnerability.- Path traversal (CWE-22) - CVE-2026-41530
RyotaK of GMO Flatt Security Inc. and Rei Yano reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
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CVSS V3 Severity:
Base Metrics 3.3 (Low) [IPA Score]
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: None
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CVSS v4 Severity
Base Metrics: 4.6 (Medium) [IPA Score]
- Access Vector (AV): Local
- Attack Complexity (AC): Low
- Attack Requirements (AT): None
- Privileges Required (PR): None
- User Interaction (UI): Active
Vulnerable System Impact
- Confidentiality Impact (VC): None
- Integrity Impact (VI): Low
- Availability Impact (VA): None
Subsequent System Impact
- Confidentiality Impact (SC): None
- Integrity Impact (SI): None
- Availability Impact (SA): None
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chitora
- Lhaz versions 2.6.3 and earlier
- Lhaz+ versions 3.6.3 and earlier
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When the affected product is configured with the automatic folder creation feature enabled, and a product user tries to extract an archive file which has a crafted file name, then the archived files may be extracted to an unexpected folder.
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[Update the Software]
Update the software to the latest version according to the information provided by the developer.
The developer has released the following version to address this vulnerability. - Lhaz versions 2.6.4
- Lhaz+ versions 3.6.4
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chitora
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- Path Traversal(CWE-22) [IPA Evaluation]
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- CVE-2026-41530
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- JVN : JVN#68350834
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- [2026/05/11]
Web page was published
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