CVE-2026-21790

{"id": "CVE-2026-21790", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@hcl.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.8}]}, "published": "2026-03-24T21:16:26.927", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139", "source": "psirt@hcl.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@hcl.com", "description": [{"lang": "en", "value": "CWE-346"}]}], "descriptions": [{"lang": "en", "value": "HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks."}, {"lang": "es", "value": "HCL Traveler es susceptible a una vulnerabilidad de validaci\u00f3n de encabezado HTTP predeterminada d\u00e9bil, lo que podr\u00eda permitir a un atacante eludir comprobaciones de autenticaci\u00f3n adicionales."}], "lastModified": "2026-03-25T15:41:58.280", "sourceIdentifier": "psirt@hcl.com"}