CVE-2026-94040 (GCVE-0-2026-94040)

Vulnerability from cvelistv5 – Published: 2026-09-20 17:00 – Updated: 2026-09-20 17:00
VLAI
Title
vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery
Summary
A flaw has been found in vas3k TaxHacker up to 0.8.5. Affected by this vulnerability is the function testLLMProviderAction of the file app/(app)/apps/settings/actions.ts. Executing a manipulation of the argument provider/apiKey/model/baseUrl can lead to server-side request forgery. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CWE
  • CWE-918 - Server-Side Request Forgery
References
URL Tags
https://vuldb.com/vuln/407969 vdb-entrytechnical-description
https://vuldb.com/vuln/407969/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94040 third-party-advisory
https://vuldb.com/submit/947879 third-party-advisory
https://github.com/vas3k/TaxHacker/issues/187 exploitissue-tracking
https://github.com/vas3k/TaxHacker/ product
Impacted products
Vendor Product Version CPE status
vas3k TaxHacker Affected: 0.8.0
Affected: 0.8.1
Affected: 0.8.2
Affected: 0.8.3
Affected: 0.8.4
Affected: 0.8.5
    cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*"
          ],
          "product": "TaxHacker",
          "vendor": "vas3k",
          "versions": [
            {
              "status": "affected",
              "version": "0.8.0"
            },
            {
              "status": "affected",
              "version": "0.8.1"
            },
            {
              "status": "affected",
              "version": "0.8.2"
            },
            {
              "status": "affected",
              "version": "0.8.3"
            },
            {
              "status": "affected",
              "version": "0.8.4"
            },
            {
              "status": "affected",
              "version": "0.8.5"
            }
          ]
        }
      ],
      "credits": [
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          "type": "reporter",
          "value": "CAPT (VulDB User)"
        },
        {
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          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in vas3k TaxHacker up to 0.8.5. Affected by this vulnerability is the function testLLMProviderAction of the file app/(app)/apps/settings/actions.ts. Executing a manipulation of the argument provider/apiKey/model/baseUrl can lead to server-side request forgery. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
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      "providerMetadata": {
        "dateUpdated": "2026-09-20T17:00:06.200Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
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          "name": "VDB-407969 | vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery",
          "tags": [
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          ],
          "url": "https://vuldb.com/vuln/407969"
        },
        {
          "name": "VDB-407969 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/407969/cti"
        },
        {
          "name": "CVE-2026-94040 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-94040"
        },
        {
          "name": "Submit #947879 | vas3k TaxHacker 0.8.5 Server-Side Request Forgery",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/947879"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/vas3k/TaxHacker/issues/187"
        },
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          "tags": [
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          ],
          "url": "https://github.com/vas3k/TaxHacker/"
        }
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          "time": "2026-09-19T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "time": "2026-09-19T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-09-19T23:10:03.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "vas3k TaxHacker actions.ts testLLMProviderAction server-side request forgery",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-94040",
    "datePublished": "2026-09-20T17:00:06.200Z",
    "dateReserved": "2026-09-19T21:04:39.135Z",
    "dateUpdated": "2026-09-20T17:00:06.200Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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      "date": "2026-09-21",
      "epss": "0.00311",
      "percentile": "0.24147"
    },
    "nvd": {
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              {
                "cpes": [
                  "cpe:2.3:a:vas3k:taxhacker:*:*:*:*:*:*:*:*"
                ],
                "product": "TaxHacker",
                "vendor": "vas3k",
                "versions": [
                  {
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                    "version": "0.8.0"
                  },
                  {
                    "status": "affected",
                    "version": "0.8.1"
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                  {
                    "status": "affected",
                    "version": "0.8.2"
                  },
                  {
                    "status": "affected",
                    "version": "0.8.3"
                  },
                  {
                    "status": "affected",
                    "version": "0.8.4"
                  },
                  {
                    "status": "affected",
                    "version": "0.8.5"
                  }
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A flaw has been found in vas3k TaxHacker up to 0.8.5. Affected by this vulnerability is the function testLLMProviderAction of the file app/(app)/apps/settings/actions.ts. Executing a manipulation of the argument provider/apiKey/model/baseUrl can lead to server-side request forgery. The attack may be performed from remote. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."
          }
        ],
        "id": "CVE-2026-94040",
        "lastModified": "2026-09-21T13:33:33.387",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
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                "accessVector": "NETWORK",
                "authentication": "NONE",
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              "obtainOtherPrivilege": false,
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          "cvssMetricV31": [
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          "cvssMetricV40": [
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              "cvssData": {
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
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                "exploitMaturity": "PROOF_OF_CONCEPT",
                "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",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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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.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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