# CVE-2026-1778: TLS disabled by default in select aws/sagemaker-python-sdk configurations

> CVE-2026-1778: TLS disabled by default in select aws/sagemaker-python-sdk configurations. CVSS 5.9 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-1778
Last updated: 2026-06-17T10:16:30Z

- Published: 2026-02-02 20:14 UTC · Updated: 2026-06-17 10:16 UTC · Assigner: AMZN
- CVSS: 5.9 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS: 0.26%, 18th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-295

## Description

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.

## Affected vendors and products

- AWS: SageMaker Python SDK

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-1778)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-1778)
- [https://aws.amazon.com/security/security-bulletins/2026-004-AWS/](https://aws.amazon.com/security/security-bulletins/2026-004-AWS/)
- [https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0](https://github.com/aws/sagemaker-python-sdk/releases/tag/v2.256.0)
- [https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.1.1](https://github.com/aws/sagemaker-python-sdk/releases/tag/v3.1.1)
- [https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-62rc-f4v9-h543](https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-62rc-f4v9-h543)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-1778 · Markdown: https://rewindex.com/cve/CVE-2026-1778.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-1778 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:43.837Z