{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113438", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "state": "PUBLISHED", "assignerShortName": "jpcert", "dateReserved": "2026-10-21T00:34:33.947Z", "datePublished": "2026-10-26T08:59:05.476Z", "dateUpdated": "2026-10-26T08:59:05.476Z"}, "containers": {"cna": {"affected": [{"vendor": "Implem Inc.", "product": "Pleasanter", "defaultStatus": "unaffected", "versions": [{"version": "1.1.0.0", "status": "affected", "versionType": "semver", "lessThanOrEqual": "1.5.9.0"}]}], "descriptions": [{"lang": "en", "value": "Pleasanter provided fails to properly verify passwords in LDAP authentication when processing specially crafted requests under certain configurations. If exploited, an attacker may bypass LDAP authentication by providing only a valid Login ID, without a password. As a result, an attacker may view, alter or delete information stored in the product with the privilege of the account used to log in."}], "problemTypes": [{"descriptions": [{"description": "Missing critical step in authentication", "lang": "en-US", "cweId": "CWE-304", "type": "CWE"}]}], "references": [{"url": "https://pleasanter.org/news/vulnerability-update-20261023/"}, {"url": "https://jvn.jp/en/jp/JVN82312317/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_0": {"version": "3.0", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV4_0": {"version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2026-10-26T08:59:05.476Z"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Pleasanter", "vendor": "Implem Inc.", "versions": [{"lessThanOrEqual": "1.5.9.0", "status": "affected", "version": "1.1.0.0", "versionType": "semver"}]}], "source": "vultures@jpcert.or.jp"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pleasanter provided fails to properly verify passwords in LDAP authentication when processing specially crafted requests under certain configurations. If exploited, an attacker may bypass LDAP authentication by providing only a valid Login ID, without a password. As a result, an attacker may view, alter or delete information stored in the product with the privilege of the account used to log in."}], "id": "CVE-2026-113438", "lastModified": "2026-10-26T09:16:34.473", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "vultures@jpcert.or.jp", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "vultures@jpcert.or.jp", "type": "Secondary"}]}, "published": "2026-10-26T09:16:34.473", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://jvn.jp/en/jp/JVN82312317/"}, {"source": "vultures@jpcert.or.jp", "url": "https://pleasanter.org/news/vulnerability-update-20261023/"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-304"}], "source": "vultures@jpcert.or.jp", "type": "Primary"}]}

{}

{"created": "2026-10-26T10:30:10.588732+00:00", "title": "LDAP Password Verification Bypass in Pleasanter", "updated": "2026-10-26T10:30:10.588742+00:00", "vendors": []}