CVE-2026-108798 (GCVE-0-2026-108798)

Vulnerability from cvelistv5 – Published: 2026-10-12 04:00 – Updated: 2026-10-12 04:00
VLAI
Title
ZKTeco BioTime hard-coded key
Summary
A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This issue affects some unknown processing. The manipulation results in use of hard-coded cryptographic key . The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
7.3 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CWE
  • CWE-321 - Use of Hard-coded Cryptographic Key
  • CWE-320 - Key Management Error
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3876 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/416575 vdb-entry
https://vuldb.com/vuln/416575/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-108798 third-party-advisory
https://vuldb.com/submit/961812 third-party-advisory
Impacted products
Vendor Product Version CPE status
ZKTeco BioTime Affected: 9.5.6 Build 20260130.3206
    cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
bashdar (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:*"
          ],
          "product": "BioTime",
          "vendor": "ZKTeco",
          "versions": [
            {
              "status": "affected",
              "version": "9.5.6 Build 20260130.3206"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
          "value": "bashdar (VulDB User)"
        },
        {
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          "type": "coordinator",
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This issue affects some unknown processing. The manipulation results in use of hard-coded cryptographic key\r . The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
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            "version": "2.0"
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      "providerMetadata": {
        "dateUpdated": "2026-10-12T04:00:12.485Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-416575 | ZKTeco BioTime hard-coded key",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://vuldb.com/vuln/416575"
        },
        {
          "name": "VDB-416575 | CTI Indicators (IOB, IOC, TTP)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/416575/cti"
        },
        {
          "name": "CVE-2026-108798 | CVE Analysis and Report",
          "tags": [
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          ],
          "url": "https://vuldb.com/cve/CVE-2026-108798"
        },
        {
          "name": "Submit #961812 | ZKTeco BioTime 9.5.6 Build 20260130.3206 Cryptographic Issues",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/961812"
        }
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          "time": "2026-10-11T02:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2026-10-11T11:16:51.000Z",
          "value": "VulDB entry last update"
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      ],
      "title": "ZKTeco BioTime hard-coded key",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-108798",
    "datePublished": "2026-10-12T04:00:12.485Z",
    "dateReserved": "2026-10-11T09:11:26.300Z",
    "dateUpdated": "2026-10-12T04:00:12.485Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-108798",
      "date": "2026-10-13",
      "epss": "0.00278",
      "percentile": "0.18777"
    },
    "nvd": {
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                "cpes": [
                  "cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:*"
                ],
                "product": "BioTime",
                "vendor": "ZKTeco",
                "versions": [
                  {
                    "status": "affected",
                    "version": "9.5.6 Build 20260130.3206"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This issue affects some unknown processing. The manipulation results in use of hard-coded cryptographic key\r . The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way."
          }
        ],
        "id": "CVE-2026-108798",
        "lastModified": "2026-10-13T13:29:12.567",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
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                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
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                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
                "version": "2.0"
              },
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              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
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          "cvssMetricV31": [
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                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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          "cvssMetricV40": [
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                "Recovery": "NOT_DEFINED",
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                "availabilityRequirement": "NOT_DEFINED",
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                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
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                "vulnIntegrityImpact": "LOW",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
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              "source": "cna@vuldb.com",
              "type": "Secondary"
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            "url": "https://vuldb.com/cve/CVE-2026-108798"
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    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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.
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  • 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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.