CVE-2026-21826

{"id": "CVE-2026-21826", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21826", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-09T13:28:00.599027Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@hcl.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "psirt@hcl.com", "affectedData": [{"vendor": "HCLSoftware", "product": "Digital Experience & DX Compose", "versions": [{"status": "affected", "version": "9.5"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-05T07:16:29.883", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130849", "tags": ["Vendor Advisory"], "source": "psirt@hcl.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "psirt@hcl.com", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection. \u00a0An attacker can manipulate the Host header\u00a0and cause the application to behave in unexpected ways."}, {"lang": "es", "value": "HCL Digital Experience y HCL Digital Experience Compose podr\u00edan ser susceptibles a la inyecci\u00f3n de encabezado Host. Un atacante puede manipular el encabezado Host y provocar que la aplicaci\u00f3n se comporte de maneras inesperadas."}], "lastModified": "2026-07-23T07:10:00.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hcltech:digital_experience_compose:9.5:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA10D3C3-C284-4880-AC26-BBB7DB38A23B"}, {"criteria": "cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf224:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B1B6A0A6-CBC8-42B3-9718-4B9F668CB9A4"}, {"criteria": "cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf225:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2700CD74-E4D8-4FE6-89B2-55043A11F71E"}, {"criteria": "cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf226:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AFB9AFA0-C510-4AFA-800B-FC356E2CD60E"}, {"criteria": "cpe:2.3:a:hcltech:digital_experience_compose:9.5:cf227:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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