Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()
Priority LOW 38CWE-88Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-88.
Summary
Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK versions >= 1.1.3 and < 1.6.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments. To mitigate this issue, users should upgrade to version 1.6.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Fix Fixed bedrock-agentcore (AWS): 1.6.1bedrock-agentcore (PyPI): 1.6.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | bedrock-agentcore | 1.1.3 to before 1.6.1 | 1.6.1 | Patch available | CNA |
| — | bedrock-agentcore (PyPI) | 1.1.3 to before 1.6.1 | 1.6.1 | Patch available | GHSA-6rfw-mq36-jm8h |
- bedrock-agentcore VendorAWS Affected 1.1.3 to before 1.6.1 Fixed in 1.6.1 Patch available CNA
- bedrock-agentcore (PyPI) Vendor— Affected 1.1.3 to before 1.6.1 Fixed in 1.6.1 Patch available GHSA-6rfw-mq36-jm8h
Remediation
- Fix · CNA bedrock-agentcore (AWS) Fixed in 1.6.1
- Fix · GHSA-6rfw-mq36-jm8h bedrock-agentcore (PyPI) Fixed in 1.6.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12530
- 2026-10-03 Alias added: GHSA-6rfw-mq36-jm8h
References
Advisory 2
Other 5
- https://pypi.org/project/bedrock-agentcore/1.6.1/
- https://github.com/aws/bedrock-agentcore-sdk-python/security/advisories/GHSA-6rfw-mq36-jm8h
- https://aws.amazon.com/security/security-bulletins/2026-044-aws
- https://github.com/aws/bedrock-agentcore-sdk-python
- https://pypi.org/project/bedrock-agentcore/1.6.1
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Sources
- CVE-2026-12530 · CVE Program
- CVE-2026-12530 · NVD
- FIRST EPSS
- GHSA-6rfw-mq36-jm8h · GitHub Advisory Database · CC BY 4.0
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