TLS disabled by default in select aws/sagemaker-python-sdk configurations
Priority LOW 35CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-295.
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0026 17th percentileScored 2026-11-07
Fix Fixed SageMaker Python SDK (AWS): 3.1.1, 2.256.0sagemaker (PyPI): 3.1.1, 2.256.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AWS | SageMaker Python SDK | — | 3.1.1, 2.256.0 | Patch available | CNA |
| — | sagemaker (PyPI) | 3.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-62rc-f4v9-h543 |
| — | sagemaker (PyPI) | before 2.256.0 | 2.256.0 | Patch available | GHSA-62rc-f4v9-h543 |
- SageMaker Python SDK VendorAWS Affected — Fixed in 3.1.1, 2.256.0 Patch available CNA
- sagemaker (PyPI) Vendor— Affected 3.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-62rc-f4v9-h543
- sagemaker (PyPI) Vendor— Affected before 2.256.0 Fixed in 2.256.0 Patch available GHSA-62rc-f4v9-h543
Remediation
- Fix · CNA SageMaker Python SDK (AWS) Fixed in 3.1.1, 2.256.0
- Fix · GHSA-62rc-f4v9-h543 sagemaker (PyPI) Fixed in 3.1.1 Advisory →
- Fix · GHSA-62rc-f4v9-h543 sagemaker (PyPI) Fixed in 2.256.0 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AWS SageMaker Python SDK — aws.amazon.com/security/security-bulletins/2026-004-AWS
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-01460 Cleartext transmission of sensitive materials in aws/sagemaker-python-sdkPriority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1778
- 2026-10-03 Alias added: GHSA-62rc-f4v9-h543
References
Patch 2
Advisory 3
More AWS vulnerabilities
- TI-2026-23989 crypto: algif_aead - Revert to operating out-of-place KEVCVSS 3.1HIGH 7.8
- TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
- TI-2024-18648 Amazon AWS Amplify CLI before 12.10.1 incorrectly configures the role trust policy of IAM… CVSS 3.1CRITICAL 9.8
- TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
- TI-2025-03847 Input validation issue in AWS Amplify Studio UI component properties CVSS 4.0CRITICAL 9.0
- TI-2026-11603 HTTP/2 Stream Parser Confusion Body-Inspection Bypass in Amazon CloudFront with AWS WAF CVSS 4.0HIGH 7.9
Sources
- CVE-2026-1778 · CVE Program
- CVE-2026-1778 · NVD
- FIRST EPSS
- GHSA-62rc-f4v9-h543 · GitHub Advisory Database · CC BY 4.0
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