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CVE-2026-90513— simalexan api-lambda-send-email-ses API Gateway Endpoint template.yml SES.sendEmail missing authentication

Quick assessment

Affected
simalexan api-lambda-send-email-ses
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 simalexan 的 项目中发现了一个缺陷，影响范围涵盖提交 之前的版本。该问题影响了 文件中 API Gateway Endpoint 组件的 函数。对参数 、 、 、 和 的操作会导致身份验证缺失。该攻击可以远程发起。由于该产品采用滚动发布以实现持续交付，因此无法提供受影响的版本及更新版本的具体信息。项目方已提前通过问题报告得知此问题，但尚未做出回应。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-90513

Vulnerability Information
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Vulnerability Title
simalexan api-lambda-send-email-ses API Gateway Endpoint template.yml SES.sendEmail missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
simalexan api-lambda-send-email-ses bda6869aa81371d1e872242e74fe7d953edb818d cpe:2.3:a:simalexan:api-lambda-send-email-ses:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90513

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-90513

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Other References for CVE-2026-90513 (2)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-90513

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