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CVE-2026-18245

Amazon Amplify Codegen UI remote code execution

9.0 CRITICALEPSS 0.99%
  1. Published30 Jul 2026

Description

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

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

Amazon Amplify Codegen UI< 2.20.6

Remediation

Fixed in
Amazon Amplify Codegen UI≥ 2.20.6

References

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Frequently asked

Is CVE-2026-18245 being actively exploited?

CVE-2026-18245 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.99%.

How severe is CVE-2026-18245?

CVE-2026-18245 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.99% probability of exploitation.

Which products are affected by CVE-2026-18245?

Affected products include Amazon Amplify Codegen UI.

How do I fix CVE-2026-18245?

Upgrade affected software to a fixed version, for example Amazon Amplify Codegen UI 2.20.6 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-18245 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.