{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77707", "assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "state": "PUBLISHED", "assignerShortName": "TR-CERT", "dateReserved": "2026-08-21T08:33:16.840Z", "datePublished": "2026-09-24T14:41:57.290Z", "dateUpdated": "2026-09-24T14:58:42.924Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21", "shortName": "TR-CERT", "dateUpdated": "2026-09-24T14:41:57.290Z" }, "title": "TLS Certificate Validation Disabled for Keycloak Connections in HAVELSAN's Liman Render Engine", "datePublic": "2026-09-24T14:39:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper certificate validation", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-94", "descriptions": [ { "lang": "en", "value": "CAPEC-94 Adversary in the Middle (AiTM)" } ] } ], "affected": [ { "vendor": "HAVELSAN Inc.", "product": "Liman Render Engine", "versions": [ { "status": "affected", "version": "1.0", "lessThan": "1.2-75", "versionType": "custom" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Improper certificate validation vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM).\n\nThis issue affects Liman Render Engine: from 1.0 before 1.2-75.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Improper certificate validation vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM).

This issue affects Liman Render Engine: from 1.0 before 1.2-75.

" } ] } ], "references": [ { "url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1172", "tags": [ "government-resource" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N" } } ], "credits": [ { "lang": "en", "value": "Efe KIRBAŞ", "type": "finder" } ], "source": { "defect": [ "TR-26-1172" ], "advisory": "TR-26-1172", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-24T14:58:34.805701Z", "id": "CVE-2026-77707", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-24T14:58:42.924Z" } } ] } }