FKIE_CVE-2026-21790

Vulnerability from fkie_nvd - Published: 2026-03-24 21:16 - Updated: 2026-03-25 15:41
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Summary
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.
References
psirt@hcl.comhttps://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129139
Impacted products
Vendor Product Version
To clipboard 

{
  "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."
    },
    {
      "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."
    }
  ],
  "id": "CVE-2026-21790",
  "lastModified": "2026-03-25T15:41:58.280",
  "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\u0026sysparm_article=KB0129139"
    }
  ],
  "sourceIdentifier": "psirt@hcl.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        }
      ],
      "source": "psirt@hcl.com",
      "type": "Secondary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.