CVE-2026-63234

{"id": "CVE-2026-63234", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63234", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T15:13:23.128913Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}]}, "affected": [{"source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4", "affectedData": [{"vendor": "Three Learning", "product": "Koollab LMS", "versions": [{"status": "affected", "version": "5.3.2"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-29T07:16:42.817", "references": [{"url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/", "source": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-89"}]}], "descriptions": [{"lang": "en", "value": "A SQL injection and unsafe deserialisation\nvulnerability in Koollab LMS allowed an authenticated attacker to inject through the manual mark\nassessment endpoint, control data passed to unserialize(), write a webshell to\na publicly accessible location, and execute arbitrary code on the server."}], "lastModified": "2026-07-30T16:54:05.457", "sourceIdentifier": "5f57b9bf-260d-4433-bf07-b6a79e9bb7d4"}