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CVE-2026-112407— Incorrect privilege assignment in AWS CICD-toolchain-for-serverless-applications

Quick assessment

Affected
AWS CICD-toolchain-for-serverless-applications
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 AWS CICD-toolchain-for-serverless-applications 的 1.0.7 至 1.0.10 版本中，IAM 策略存在权限分配错误。该漏洞允许拥有应用源代码仓库推送权限的远程认证用户，通过工具链流水线部署的应用模板，提升自身权限，并访问或修改同一 AWS 账户中该应用栈之外的资源。 为修复此问题，用户应将现有的工具链栈升级至 1.0.11 或更高版本。

CVSS 8.8 · High EPSS 0.34% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
AWS CICD-toolchain-for-serverless-applications 1.0.7≤ 1.0.10 affected
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I. Basic Information for CVE-2026-112407

Vulnerability Information
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Vulnerability Title
Incorrect privilege assignment in AWS CICD-toolchain-for-serverless-applications
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS CICD-toolchain-for-serverless-applications 1.0.7 ~ 1.0.10 -

II. Public POCs for CVE-2026-112407

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III. Intelligence Information for CVE-2026-112407

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Vendor Advisories for CVE-2026-112407 (2)

Vendor Pages for CVE-2026-112407 (1)

IV. Related Vulnerabilities

Same vendor: AWS
Same weakness: CWE-266

V. Comments for CVE-2026-112407

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