{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21790", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-01-05T16:08:02.277Z", "datePublished": "2026-03-24T20:04:28.585Z", "dateUpdated": "2026-03-24T20:28:10.662Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-03-24T20:04:28.585Z"}, "title": "HCL Traveler is susceptible to a weak default HTTP header validation vulnerability", "datePublic": "2026-03-24T19:49:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-346", "description": "CWE-346 Origin Validation Error", "type": "CWE"}]}], "affected": [{"vendor": "HCLSoftware", "product": "Traveler", "versions": [{"status": "affected", "version": "< 14.5.1.0"}], "defaultStatus": "unaffected"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks."}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-24T20:27:58.531587Z", "id": "CVE-2026-21790", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-24T20:28:10.662Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21790", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-24T20:27:58.531587Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-24T20:28:03.392Z"}}], "cna": {"title": "HCL Traveler is susceptible to a weak default HTTP header validation vulnerability", "source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"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"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "HCLSoftware", "product": "Traveler", "versions": [{"status": "affected", "version": "< 14.5.1.0"}], "defaultStatus": "unaffected"}], "datePublic": "2026-03-24T19:49:00.000Z", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139"}], "x_generator": {"engine": "Vulnogram 1.0.0"}, "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.", "supportingMedia": [{"type": "text/html", "value": "HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-346", "description": "CWE-346 Origin Validation Error"}]}], "providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-03-24T20:04:28.585Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21790", "state": "PUBLISHED", "dateUpdated": "2026-03-24T20:28:10.662Z", "dateReserved": "2026-01-05T16:08:02.277Z", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "datePublished": "2026-03-24T20:04:28.585Z", "assignerShortName": "HCL"}, "dataVersion": "5.2"}

{"cveTags": [], "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."}], "id": "CVE-2026-21790", "lastModified": "2026-03-24T21:16:26.927", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "psirt@hcl.com", "type": "Secondary"}]}, "published": "2026-03-24T21:16:26.927", "references": [{"source": "psirt@hcl.com", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "psirt@hcl.com", "type": "Secondary"}]}

{}

{}