CVE-2026-90513

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

MEDIUM
6.5
CVSS Score
Published: September 13, 2026 at 10:45 AM UTC
Updated: September 14, 2026 at 09:14 PM UTC
1 product affected across 1 vendorAPI Lambda Send Email Ses

Using api-lambda-send-email-ses by simalexan?

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

bda6869aa81371d1e872242e74fe7d953edb818d

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403100
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403100/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90513
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/911886

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-287

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