CVE-2026-112407

HIGH CVSS 4.0: 8.7 EPSS 0.34%
Updated Oct 21, 2026
AWS
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions 1.0.7 — 1.0.10
Type CWE-266 (Incorrect Privilege Assignment)
Vendor AWS
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Aws Cicd-Toolchain-For-Serverless-Applications
cpe:2.3:a:aws:cicd-toolchain-for-serverless-applications:*:*:*:*:*:*:*:*
1.0.7 <= 1.0.10