CVE-2026-21756

{"id": "CVE-2026-21756", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21756", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-24T12:59:03.780115Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@hcl.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}]}, "affected": [{"source": "psirt@hcl.com", "affectedData": [{"vendor": "HCLSoftware", "product": "HCL Hive", "versions": [{"status": "affected", "version": "1.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-24T13:17:32.477", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131731", "source": "psirt@hcl.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "psirt@hcl.com", "description": [{"lang": "en", "value": "CWE-266"}]}], "descriptions": [{"lang": "en", "value": "HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments."}], "lastModified": "2026-08-28T15:46:19.387", "sourceIdentifier": "psirt@hcl.com"}