{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-11347", "assignerOrgId": "86c47df7-7d28-48da-920a-6423c52fd3da", "state": "PUBLISHED", "assignerShortName": "linqi", "dateReserved": "2026-06-05T08:52:47.208Z", "datePublished": "2026-06-05T10:18:35.703Z", "dateUpdated": "2026-06-05T10:18:35.703Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "86c47df7-7d28-48da-920a-6423c52fd3da", "shortName": "linqi", "dateUpdated": "2026-06-05T10:18:35.703Z"}, "title": "Hardcoded Cryptographic Keys and Weak IV Generation in Linqi Application", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-321", "description": "CWE-321: Use of Hard-coded Cryptographic Key", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-338", "description": "CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "type": "CWE"}]}], "affected": [{"vendor": "linqi GmbH", "product": "linqi", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.4.8.5", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "The linqi application contains hardcoded cryptographic keys. Additionally, the application uses a weak algorithm with a limited ASCII charset to dynamically generate Initialization Vectors (IVs) for AES/CBC encryption, making known-plaintext attacks feasible. An attacker with local access can leverage these vulnerabilities to decrypt sensitive obfuscated strings, including ConnectionString values containing database credentials from appsettings.json.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>The linqi application contains hardcoded cryptographic keys. Additionally, the application uses a weak algorithm with a limited ASCII charset to dynamically generate Initialization Vectors (IVs) for AES/CBC encryption, making known-plaintext attacks feasible. An attacker with local access can leverage these vulnerabilities to decrypt sensitive obfuscated strings, including ConnectionString values containing database credentials from appsettings.json.</p>"}]}], "references": [{"url": "https://linqi.help/en/reference/security/security-advisories/#security-advisory-hardcoded-cryptographic-keys-and-weak-iv-generation-in-the-linqi-application", "tags": ["vendor-advisory", "third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.5, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Ianis BERNARD from NATO Cyber Security Centre (NCSC)", "type": "finder"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The linqi application contains hardcoded cryptographic keys. Additionally, the application uses a weak algorithm with a limited ASCII charset to dynamically generate Initialization Vectors (IVs) for AES/CBC encryption, making known-plaintext attacks feasible. An attacker with local access can leverage these vulnerabilities to decrypt sensitive obfuscated strings, including ConnectionString values containing database credentials from appsettings.json."}], "id": "CVE-2026-11347", "lastModified": "2026-06-05T11:16:34.627", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "86c47df7-7d28-48da-920a-6423c52fd3da", "type": "Secondary"}]}, "published": "2026-06-05T11:16:34.627", "references": [{"source": "86c47df7-7d28-48da-920a-6423c52fd3da", "url": "https://linqi.help/en/reference/security/security-advisories/#security-advisory-hardcoded-cryptographic-keys-and-weak-iv-generation-in-the-linqi-application"}], "sourceIdentifier": "86c47df7-7d28-48da-920a-6423c52fd3da", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-321"}, {"lang": "en", "value": "CWE-338"}], "source": "86c47df7-7d28-48da-920a-6423c52fd3da", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.4.8.5]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "linqi", "source": "cna", "vendor": "linqi GmbH"}, "product": "linqi", "vendor": "linqi"}], "created": "2026-06-05T11:30:39.108749+00:00", "updated": "2026-06-05T11:30:39.450293+00:00", "vendors": ["linqi", "linqi$PRODUCT$linqi"]}