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Vulnerabilities CVE-2026-15737

CVE-2026-15737

Medium
Open
TLP:CLEAR

Sensitive content disclosure via OpenTelemetry spans in AgentCore Python SDK

NVD CVE.org
Data Exfiltration

AI Analysis

No AI analysis yet.

Description

AWS Bedrock AgentCore Python SDK is an open-source Python library that provides client tools for building AI agents on the Amazon Bedrock AgentCore platform. Unintended logging of sensitive user content in the OpenTelemetry instrumentation in AWS Bedrock AgentCore Python SDK versions 1.4.8 and 1.5.0 might allow a local authenticated user with access to CloudWatch Logs to access raw user prompts and agent responses containing sensitive data via span attributes. The SDK wrote raw user prompts and complete agent responses into OpenTelemetry span attributes on every invocation without filtering or masking. These spans flow into the customer's aws/spans CloudWatch log group, exposing sensitive content to any principal with log read access. We recommend you upgrade to version 1.5.1 or later. Users who ran affected versions should also review and purge sensitive content from their aws/spans CloudWatch log groups.

Details

CVSS Score
5.7
EPSS Score
0.22%

12.1th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 16, 2026
Last Modified
Jul 16, 2026
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