CVE-2026-112407

HIGH 8.8

Incorrect privilege assignment in AWS CICD-toolchain-for-serverless-applications

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-266
Vendor	aws
Product	cicd-toolchain-for-serverless-applications
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

AWS / CICD-toolchain-for-serverless-applications

1.0.7 ≤ 1.0.10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/aws-samples/aws-lambda-sample-applications/releases/tag/1.0.11 github.com: https://github.com/aws-samples/aws-lambda-sample-applications/security/advisories/GHSA-f76m-4xrx-pvq5 aws.amazon.com: https://aws.amazon.com/security/security-bulletins/2026-141-aws/

Credits

Xidian University