CVE-2026-18245

EUVD-2026-51268

30.07.2026, 19:17

Improper control of code generation in Amazon @aws-amplify/codegen-ui-react before 2.20.6 might allow a remote authenticated user to execute arbitrary code in end-user browsers, developer machines, CI/CD environments, and server-side rendering contexts via crafted Studio component or theme schema values due to insufficient coverage and effectiveness of the input validation introduced for CVE-2025-4318.



To remediate this issue, users should upgrade to version 2.20.6

Code Injection

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9 CRITICAL	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 50%

Affected Products (NVD)

Vendor	Product	Version
amazon	amplify_codegen_ui	𝑥 < 2.20.6

𝑥

= Vulnerable software versions

Common Weakness Enumeration

CWE-94 - Improper Control of Generation of Code ('Code Injection')
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

References

https://aws.amazon.com/security/security-bulletins/2026-066-aws/

https://github.com/aws-amplify/amplify-codegen-ui/releases/tag/v2.20.6

https://github.com/aws-amplify/amplify-codegen-ui/security/advisories/GHSA-74xx-rjgf-m69j