CVE-2026-102131 (GCVE-0-2026-102131)

Vulnerability from cvelistv5 – Published: 2026-09-30 20:13 – Updated: 2026-09-30 20:13
VLAI
Title
Kiteworks Email Protection Gateway Improper Handling of Case Sensitivity
Summary
Kiteworks Email Protection Gateway rejected certain configuration settings, but its validation did not recognize every form in which they could be supplied. An authenticated administrator could potentially use an unrecognized form to have a file of their choosing written to the gateway and executed, resulting in code execution as the gateway service account.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
  • CWE-178 - Improper Handling of Case Sensitivity
Assigner
References
Impacted products
Vendor Product Version CPE status
Kiteworks Email Protection Gateway Affected: 0 , < 9.5.0 (custom)
Unaffected: 9.5.0
guessed Create a notification for this product.
Date Public
2026-09-30 00:00
Credits
Icare, https://yeswehack.com/hunters/icare Supr4s, https://yeswehack.com/hunters/Supr4s wlayzz, https://yeswehack.com/hunters/wlayzz truff, https://yeswehack.com/hunters/truff
Show details on NVD website
To clipboard 

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          "product": "Email Protection Gateway",
          "vendor": "Kiteworks",
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            }
          ]
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      ],
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          "value": "Icare, https://yeswehack.com/hunters/icare"
        },
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        },
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          "lang": "en",
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        },
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          "value": "truff, https://yeswehack.com/hunters/truff"
        }
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      "descriptions": [
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
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          "url": "https://github.com/kiteworks/security-advisories/security/advisories/GHSA-62f6-c955-4fhq"
        },
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    "cveId": "CVE-2026-102131",
    "datePublished": "2026-09-30T20:13:43.236Z",
    "dateReserved": "2026-09-28T17:39:13.563Z",
    "dateUpdated": "2026-09-30T20:13:43.236Z",
    "state": "PUBLISHED"
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                "product": "Email Protection Gateway",
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          }
        ],
        "id": "CVE-2026-102131",
        "lastModified": "2026-10-01T02:17:43.350",
        "metrics": {
          "cvssMetricV31": [
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              "cvssData": {
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        "vulnStatus": "Awaiting Analysis",
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            "type": "Secondary"
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    }
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}



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