CVE-2026-90513
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk37th percentile - higher than 37% of all known CVEs
Summary
A vulnerability was found in api-lambda-send-email-ses affecting the SES.sendEmail function in the template.yml file of the API Gateway Endpoint component. Manipulation of the toEmails/ccEmails/replyToEmails/subject/message arguments causes missing authentication. The attack can be initiated remotely.
Risk Assessment
Missing authentication in the API Gateway endpoint allows remote attackers to send emails without authorization. This can be exploited for phishing or spam on behalf of the organization.
Recommendation
Implement authentication in the API Gateway endpoint for the SES.sendEmail function. Since the project has not responded to the report, consider alternative solutions.
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Original NVD description (English source)
A flaw has been found in simalexan api-lambda-send-email-ses up to bda6869aa81371d1e872242e74fe7d953edb818d. This issue affects the function SES.sendEmail of the file template.yml of the component API Gateway Endpoint. This manipulation of the argument toEmails/ccEmails/replyToEmails/subject/message causes missing authentication. It is possible to initiate the attack remotely. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

