{"api_version":"1","generated_at":"2026-07-26T13:11:19+00:00","cve":"CVE-2026-55729","urls":{"html":"https://cve.report/CVE-2026-55729","api":"https://cve.report/api/cve/CVE-2026-55729.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-55729","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55729"},"summary":{"title":"Loytec LWEB802: Exposure of Sensitive Information in browser localStorage","description":"Exposure of Sensitive Information (CWE-200) in LWEB802 browser `localStorage` in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to leak stored management credentials via a crafted link.","state":"PUBLISHED","assigner":"NCSC.ch","published_at":"2026-07-24 15:18:31","updated_at":"2026-07-24 15:18:31"},"problem_types":["CWE-200","CWE-200 CWE-200 Exposure of sensitive information to an unauthorized actor"],"metrics":[{"version":"4.0","source":"vulnerability@ncsc.ch","type":"Secondary","score":"7.7","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/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","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/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","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"7.7","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","data":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"}}],"references":[{"url":"https://www.loytec.com/support/product-security/advisories/8526-dibt-cve-20260601-0001-exposure-of-credentials-stored-in-browser-local-storage-high","name":"https://www.loytec.com/support/product-security/advisories/8526-dibt-cve-20260601-0001-exposure-of-credentials-stored-in-browser-local-storage-high","refsource":"vulnerability@ncsc.ch","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-55729","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55729","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Loytec","product":"LWEB-802","version":"affected 5.0.8 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Update to LWEB-802 version 5.0.8.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Daniel Hulliger, armasuisse CYD Campus","lang":"en"},{"source":"CNA","value":"Damian Pfammatter, armasuisse CYD Campus","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"55729","cve":"CVE-2026-55729","epss":"0.003220000","percentile":"0.245350000","score_date":"2026-07-25","updated_at":"2026-07-26 00:12:35"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-55729","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-24T14:55:21.263680Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-24T14:55:29.967Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"LWEB-802","vendor":"Loytec","versions":[{"lessThan":"5.0.8","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"Daniel Hulliger, armasuisse CYD Campus"},{"lang":"en","type":"finder","value":"Damian Pfammatter, armasuisse CYD Campus"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Exposure of Sensitive Information (CWE-200)&nbsp;in LWEB802 browser `localStorage` in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to leak stored management credentials via a crafted link.<br>"}],"value":"Exposure of Sensitive Information (CWE-200) in LWEB802 browser `localStorage` in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to leak stored management credentials via a crafted link."}],"impacts":[{"capecId":"CAPEC-98","descriptions":[{"lang":"en","value":"CAPEC-98 Phishing"}]},{"capecId":"CAPEC-173","descriptions":[{"lang":"en","value":"CAPEC-173 Action Spoofing"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-200","description":"CWE-200 Exposure of sensitive information to an unauthorized actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-24T13:59:43.912Z","orgId":"455daabc-a392-441d-aa46-37d35189897c","shortName":"NCSC.ch"},"references":[{"tags":["vendor-advisory"],"url":"https://www.loytec.com/support/product-security/advisories/8526-dibt-cve-20260601-0001-exposure-of-credentials-stored-in-browser-local-storage-high"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update to LWEB-802 version 5.0.8."}],"value":"Update to LWEB-802 version 5.0.8."}],"source":{"discovery":"EXTERNAL"},"title":"Loytec LWEB802: Exposure of Sensitive Information in browser localStorage","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","assignerShortName":"NCSC.ch","cveId":"CVE-2026-55729","datePublished":"2026-07-24T13:59:43.912Z","dateReserved":"2026-06-17T09:48:05.268Z","dateUpdated":"2026-07-24T14:55:29.967Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-24 15:18:31","lastModifiedDate":"2026-07-24 15:18:31","problem_types":["CWE-200","CWE-200 CWE-200 Exposure of sensitive information to an unauthorized actor"],"metrics":{"cvssMetricV40":[{"source":"vulnerability@ncsc.ch","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/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","baseScore":7.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-24T14:55:21.263680Z","id":"CVE-2026-55729","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"55729","Ordinal":"1","Title":"Loytec LWEB802: Exposure of Sensitive Information in browser loc","CVE":"CVE-2026-55729","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"55729","Ordinal":"1","NoteData":"Exposure of Sensitive Information (CWE-200) in LWEB802 browser `localStorage` in Loytec LWEB-802 before 5.0.8 on all platforms allows an unauthenticated remote attacker to leak stored management credentials via a crafted link.","Type":"Description","Title":"Loytec LWEB802: Exposure of Sensitive Information in browser loc"}]}}}