Vulnerability-Lookup

CVE-2026-1778 (GCVE-0-2026-1778)

Vulnerability from cvelistv5 – Published: 2026-02-02 20:14 – Updated: 2026-02-04 16:28

Title

TLS disabled by default in select aws/sagemaker-python-sdk configurations

Summary

Amazon SageMaker Python SDK before v3.1.1 or v2.256.0 disables TLS certificate verification for HTTPS connections made by the service when a Triton Python model is imported, incorrectly allowing for requests with invalid and self-signed certificates to succeed.

Severity ?

5.9 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

8.2 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-295 - Improper Certificate Validation

Assigner

AMZN

References

URL

Tags

	https://aws.amazon.com/security/security-bulletin…	vendor-advisory
	https://github.com/aws/sagemaker-python-sdk/secur…	third-party-advisory
	https://github.com/aws/sagemaker-python-sdk/relea…	patch
	https://github.com/aws/sagemaker-python-sdk/relea…	patch

Impacted products

	Vendor	Product	Version
	AWS	SageMaker Python SDK	Unaffected: 3.1.1 Unaffected: 2.256.0

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-1778

Vulnerability from fkie_nvd - Published: 2026-02-02 23:16 - Updated: 2026-02-03 16:44

Severity ?

5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

References

	URL	Tags
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://aws.amazon.com/security/security-bulletins/2026-004-AWS/
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.1.1
	ff89ba41-3aa1-4d27-914a-91399e9639e5	https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-62rc-f4v9-h543

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Amazon SageMaker Python SDK before v3.1.1 or v2.256.0 disables TLS certificate verification for HTTPS connections made by the service when a Triton Python model is imported, incorrectly allowing for requests with invalid and self-signed certificates to succeed."
    },
    {
      "lang": "es",
      "value": "El SDK de Python de Amazon SageMaker anterior a la v3.1.1 o v2.256.0 deshabilita la verificaci\u00f3n de certificados TLS para las conexiones HTTPS realizadas por el servicio cuando se importa un modelo de Python de Triton, permitiendo incorrectamente que las solicitudes con certificados no v\u00e1lidos y autofirmados tengan \u00e9xito."
    }
  ],
  "id": "CVE-2026-1778",
  "lastModified": "2026-02-03T16:44:03.343",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
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        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
        "type": "Secondary"
      }
    ],
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          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "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",
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          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
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          "valueDensity": "NOT_DEFINED",
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          "vulnIntegrityImpact": "HIGH",
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        },
        "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-02T23:16:04.283",
  "references": [
    {
      "source": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
      "url": "https://aws.amazon.com/security/security-bulletins/2026-004-AWS/"
    },
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    },
    {
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    },
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    }
  ],
  "sourceIdentifier": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
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}

GHSA-62RC-F4V9-H543

Vulnerability from github – Published: 2026-02-02 23:24 – Updated: 2026-02-03 19:01

Summary

SageMaker Python SDK has Insecure TLS Configuration

Details

Summary

SageMaker Python SDK is an open source library for training and deploying machine learning models on Amazon SageMaker. An issue where SSL certificate verification was globally disabled in the Triton Python backend has been found.

Impact

Arbitrary Code Execution: Disabling SSL verification allows third parties to intercept HTTPS traffic and replace models or dependencies with inappropriate versions. This could lead to remote code execution in the Triton container.

Impacted versions

SageMaker Python SDK v3 < v3.1.1
SageMaker Python SDK v2 < v2.256.0

Patches

This issue has been addressed in SageMaker Python SDK version v3.1.1 and v2.256.0. It is recommended to upgrade to the latest version immediately and ensure any forked or derivative code is patched to incorporate the new fixes.

Workarounds

Customers using self-signed certificates for internal model downloads should add their private Certificate Authority (CA) certificate to the container image rather than relying on the SDK’s previous insecure configuration. This opt-in approach maintains security while accommodating internal trusted domains.

References

If there are any questions or comments about this advisory, contact AWS Security via the vulnerability reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.

Severity ?

5.9 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sagemaker"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0"
            },
            {
              "fixed": "3.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "sagemaker"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.256.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-1778"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295",
      "CWE-599"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-02T23:24:50Z",
    "nvd_published_at": "2026-02-02T23:16:04Z",
    "severity": "HIGH"
  },
  "details": "### Summary\nSageMaker Python SDK is an open source library for training and deploying machine learning models on Amazon SageMaker. An issue where SSL certificate verification was globally disabled in the Triton Python backend has been found.\n\n### Impact\nArbitrary Code Execution: Disabling SSL verification allows third parties to intercept HTTPS traffic and replace models or dependencies with inappropriate versions. This could lead to remote code execution in the Triton container.\n\n### Impacted versions\n\n- SageMaker Python SDK v3 \u003c v3.1.1\n- SageMaker Python SDK v2 \u003c v2.256.0\n\n### Patches\nThis issue has been addressed in SageMaker Python SDK version [v3.1.1](https://github.com/aws/sagemaker-python-sdk/tree/1ab6d30401946e92fdbea18497675681649e0153) and [v2.256.0](https://github.com/aws/sagemaker-python-sdk/tree/a140cfcd12abfee10254cb4dea3bb10758e4321c). It is recommended to upgrade to the latest version immediately and ensure any forked or derivative code is patched to incorporate the new fixes.\n\n### Workarounds\nCustomers using self-signed certificates for internal model downloads should add their private Certificate Authority (CA) certificate to the container image rather than relying on the SDK\u2019s previous insecure configuration. This opt-in approach maintains security while accommodating internal trusted domains.\n\n### References\nIf there are any questions or comments about this advisory, contact AWS Security via the [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.",
  "id": "GHSA-62rc-f4v9-h543",
  "modified": "2026-02-03T19:01:03Z",
  "published": "2026-02-02T23:24:50Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-62rc-f4v9-h543"
    },
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1778"
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    {
      "type": "WEB",
      "url": "https://github.com/aws/sagemaker-python-sdk/commit/5e7a3efa7bec0a161194ffa0cef346dda93bf2c6"
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    {
      "type": "WEB",
      "url": "https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.1.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "SageMaker Python SDK has Insecure TLS Configuration"
}

Sightings

Author	Source	Type	Date

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.
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.

Action not permitted

CVE-2026-1778 (GCVE-0-2026-1778)

FKIE_CVE-2026-1778

GHSA-62RC-F4V9-H543

Summary

Impact

Impacted versions

Patches

Workarounds

References

Tags

Sightings

Nomenclature