{"cve":"CVE-2026-1777","nvd":{"published":"2026-02-02T23:16:04.097","modified":"2026-06-17T10:16:30.187","status":"Deferred","description":"The Amazon SageMaker Python SDK before v3.2.0 and v2.256.0 includes the ModelBuilder HMAC signing key in the cleartext response elements of the DescribeTrainingJob function. A third party with permissions to both call this API and permissions to modify objects in the Training Jobs S3 output location may have the ability to upload arbitrary artifacts which are executed the next time the Training Job is invoked.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H","score":8.5},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-319"],"references":["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/v3.2.0","https://github.com/aws/sagemaker-python-sdk/security/advisories/GHSA-rjrp-m2jw-pv9c"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:22:27.261130201+00:00"},"epss":{"cve":"CVE-2026-1777","score":0.0051,"percentile":0.43499,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-rjrp-m2jw-pv9c","url":"https://osv.dev/vulnerability/GHSA-rjrp-m2jw-pv9c","summary":"SageMaker Python SDK has Exposed HMAC","modified":"2026-07-07T17:56:39.291495780Z","packages":[{"ecosystem":"PyPI","name":"sagemaker","purl":"pkg:pypi/sagemaker","ranges":[">=3.0 <3.2.0"],"fixed":["3.2.0"]},{"ecosystem":"PyPI","name":"sagemaker","purl":"pkg:pypi/sagemaker","ranges":["<2.256.0"],"fixed":["2.256.0"]}]},{"id":"PYSEC-2026-1888","url":"https://osv.dev/vulnerability/PYSEC-2026-1888","summary":"SageMaker Python SDK has Exposed HMAC","modified":"2026-07-07T17:47:49.351734294Z","packages":[{"ecosystem":"PyPI","name":"sagemaker","purl":"pkg:pypi/sagemaker","ranges":["<2.256.0",">=3.0 <3.2.0"],"fixed":["2.256.0","3.2.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}