CVE-2026-21827

{"id": "CVE-2026-21827", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21827", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-01T14:46:53.321476Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@hcl.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.1, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.6}]}, "affected": [{"source": "psirt@hcl.com", "affectedData": [{"vendor": "HCLSoftware", "product": "Connections", "versions": [{"status": "affected", "version": "7.0, 8.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-31T16:17:55.830", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130164", "source": "psirt@hcl.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@hcl.com", "description": [{"lang": "en", "value": "CWE-359"}]}], "descriptions": [{"lang": "en", "value": "HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain sensitive information they are not entitled to, caused by improper handling of request data they are not entitled to, caused by improper handling of request data."}], "lastModified": "2026-09-03T17:02:54.670", "sourceIdentifier": "psirt@hcl.com"}