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    2 vulnerabilities by tensorzero

    CVE-2026-54457 (GCVE-0-2026-54457)

    Vulnerability from nvd – Published: 2026-08-21 20:34 – Updated: 2026-08-21 20:34
    VLAI
    Title
    TensorZero: Arbitrary file read and SSRF in TensorZero Gateway's internal object storage endpoint
    Summary
    TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation. Prior to 2026.6.0, the TensorZero Gateway /internal/object_storage endpoint accepts a caller-supplied JSON storage_path parameter that dynamically overrides the [object_storage] configuration. Selecting the filesystem storage type allows arbitrary files on the gateway filesystem to be read, including credential files. Selecting the s3_compatible storage type causes outbound object-storage requests to attacker-chosen internal or cloud-metadata endpoints. Exploitation requires access to the gateway, which can be authenticated or unauthenticated depending on deployment configuration. This issue is fixed in version 2026.6.0.
    Severity
    7.7 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
    CWE
    • CWE-552 - Files or Directories Accessible to External Parties
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    tensorzero tensorzero Affected: < 2026.6.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "tensorzero",
          "vendor": "tensorzero",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2026.6.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation. Prior to 2026.6.0, the TensorZero Gateway /internal/object_storage endpoint accepts a caller-supplied JSON storage_path parameter that dynamically overrides the [object_storage] configuration. Selecting the filesystem storage type allows arbitrary files on the gateway filesystem to be read, including credential files. Selecting the s3_compatible storage type causes outbound object-storage requests to attacker-chosen internal or cloud-metadata endpoints. Exploitation requires access to the gateway, which can be authenticated or unauthenticated depending on deployment configuration. This issue is fixed in version 2026.6.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-552",
              "description": "CWE-552: Files or Directories Accessible to External Parties",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-21T20:34:03.632Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/tensorzero/tensorzero/security/advisories/GHSA-824w-x939-6cmc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/tensorzero/tensorzero/security/advisories/GHSA-824w-x939-6cmc"
        },
        {
          "name": "https://github.com/tensorzero/tensorzero/commit/0abbc838bae3394fe7491dad7009670d4e3b6cf8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tensorzero/tensorzero/commit/0abbc838bae3394fe7491dad7009670d4e3b6cf8"
        },
        {
          "name": "https://github.com/tensorzero/tensorzero/releases/tag/2026.6.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tensorzero/tensorzero/releases/tag/2026.6.0"
        }
      ],
      "source": {
        "advisory": "GHSA-824w-x939-6cmc",
        "discovery": "UNKNOWN"
      },
      "title": "TensorZero: Arbitrary file read and SSRF in TensorZero Gateway\u0027s internal object storage endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54457",
    "datePublished": "2026-08-21T20:34:03.632Z",
    "dateReserved": "2026-06-15T15:30:40.318Z",
    "dateUpdated": "2026-08-21T20:34:03.632Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

    CVE-2026-54457 (GCVE-0-2026-54457)

    Vulnerability from cvelistv5 – Published: 2026-08-21 20:34 – Updated: 2026-08-21 20:34
    VLAI
    Title
    TensorZero: Arbitrary file read and SSRF in TensorZero Gateway's internal object storage endpoint
    Summary
    TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation. Prior to 2026.6.0, the TensorZero Gateway /internal/object_storage endpoint accepts a caller-supplied JSON storage_path parameter that dynamically overrides the [object_storage] configuration. Selecting the filesystem storage type allows arbitrary files on the gateway filesystem to be read, including credential files. Selecting the s3_compatible storage type causes outbound object-storage requests to attacker-chosen internal or cloud-metadata endpoints. Exploitation requires access to the gateway, which can be authenticated or unauthenticated depending on deployment configuration. This issue is fixed in version 2026.6.0.
    Severity
    7.7 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
    CWE
    • CWE-552 - Files or Directories Accessible to External Parties
    • CWE-918 - Server-Side Request Forgery (SSRF)
    Assigner
    References
    Impacted products
    Vendor Product Version
    tensorzero tensorzero Affected: < 2026.6.0
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

    {
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "tensorzero",
          "vendor": "tensorzero",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2026.6.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation. Prior to 2026.6.0, the TensorZero Gateway /internal/object_storage endpoint accepts a caller-supplied JSON storage_path parameter that dynamically overrides the [object_storage] configuration. Selecting the filesystem storage type allows arbitrary files on the gateway filesystem to be read, including credential files. Selecting the s3_compatible storage type causes outbound object-storage requests to attacker-chosen internal or cloud-metadata endpoints. Exploitation requires access to the gateway, which can be authenticated or unauthenticated depending on deployment configuration. This issue is fixed in version 2026.6.0."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-552",
              "description": "CWE-552: Files or Directories Accessible to External Parties",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-21T20:34:03.632Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/tensorzero/tensorzero/security/advisories/GHSA-824w-x939-6cmc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/tensorzero/tensorzero/security/advisories/GHSA-824w-x939-6cmc"
        },
        {
          "name": "https://github.com/tensorzero/tensorzero/commit/0abbc838bae3394fe7491dad7009670d4e3b6cf8",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tensorzero/tensorzero/commit/0abbc838bae3394fe7491dad7009670d4e3b6cf8"
        },
        {
          "name": "https://github.com/tensorzero/tensorzero/releases/tag/2026.6.0",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/tensorzero/tensorzero/releases/tag/2026.6.0"
        }
      ],
      "source": {
        "advisory": "GHSA-824w-x939-6cmc",
        "discovery": "UNKNOWN"
      },
      "title": "TensorZero: Arbitrary file read and SSRF in TensorZero Gateway\u0027s internal object storage endpoint"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-54457",
    "datePublished": "2026-08-21T20:34:03.632Z",
    "dateReserved": "2026-06-15T15:30:40.318Z",
    "dateUpdated": "2026-08-21T20:34:03.632Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}