CVE-2026-1778 json
TLS disabled by default in select aws/sagemaker-python-sdk configurations
published 2026-02-02 9 mo ago modified 2026-07-07 4 mo ago also GHSA-62rc-f4v9-h543 , PYSEC-2026-1886 , EUVD-2026-5266
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
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.
Patch / fix
- pypi sagemaker 2.256.0, 3.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 4.0 | 8.2 | 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 |
| CNA | 4.0 | 8.2 | 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/E:X/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 |
| OSV | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | sagemaker | >=3.0, <3.1.1 <2.256.0 |
3.1.1 2.256.0 |
Affected products
- AWS SageMaker Python SDK
Classification
References
-
github.com
/aws/sagemaker-python-sdk/releases/tag/v3.1.1
patch, web
-
github.com
/aws/sagemaker-python-sdk/releases/tag/v2.256.0
patch, web
-
github.com
/aws/sagemaker-python-sdk/commit/5e7a3efa7bec0a161194ffa0cef346dda93bf2c6
web
-
github.com
/aws/sagemaker-python-sdk/commit/c8098958910f7db78d07037425debfd4d44a6964
web
-
aws.amazon.com
/security/security-bulletins/2026-004-AWS/
vendor-advisory
-
github.com
/aws/sagemaker-python-sdk/security/advisories/GHSA-62rc-f4v9-h543
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-1778
advisory
-
aws.amazon.com
/security/security-bulletins/2026-004-AWS
web
-
github.com
/aws/sagemaker-python-sdk
package
-
pypi.org
/project/sagemaker
package
-
github.com
/advisories/GHSA-62rc-f4v9-h543
advisory
Sources
- CVE List CVE-2026-1778
- GitHub Advisory GHSA-62rc-f4v9-h543
- NVD CVE-2026-1778
- OSV PYSEC-2026-1886
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.