Incorrect privilege assignment in the IAM policy of AWS CICD-toolchain-for-serverless-applications 1.0.7 through 1.0.10 allows remote authenticated users with push access to the application source repository to escalate privileges and access or modify resources outside the application stack in the same AWS account via application templates deployed by the toolchain pipeline.



To remediate this issue, users should upgrade existing toolchain stacks to version 1.0.11 or later.
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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 20:45:00 +0000

Type Values Removed Values Added
Description Incorrect privilege assignment in the IAM policy of AWS CICD-toolchain-for-serverless-applications 1.0.7 through 1.0.10 allows remote authenticated users with push access to the application source repository to escalate privileges and access or modify resources outside the application stack in the same AWS account via application templates deployed by the toolchain pipeline. To remediate this issue, users should upgrade existing toolchain stacks to version 1.0.11 or later.
Title Incorrect privilege assignment in AWS CICD-toolchain-for-serverless-applications
First Time appeared Aws
Aws cicd-toolchain-for-serverless-applications
Weaknesses CWE-266
CPEs cpe:2.3:a:aws:cicd-toolchain-for-serverless-applications:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws cicd-toolchain-for-serverless-applications
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-10-20T20:34:40.192Z

Reserved: 2026-10-19T17:00:34.859Z

Link: CVE-2026-112407

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-20T21:17:17.773

Modified: 2026-10-20T21:17:17.773

Link: CVE-2026-112407

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T22:00:16Z

Weaknesses