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TI-2026-61530 Aliases CVE-2026-90513GHSA-4cj2-3xxr-fv5p

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

Priority LOW 38CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00758 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
simalexanapi-lambda-send-email-sesbda6869aa81371d1e872242e74fe7d953edb818d—No fix listedCNA
  • api-lambda-send-email-ses Vendorsimalexan Affected bda6869aa81371d1e872242e74fe7d953edb818d Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:simalexan:api-lambda-send-email-ses:*:*:*:*:*:*:*:*——simalexan
  • cpe:2.3:a:simalexan:api-lambda-send-email-ses:*:*:*:*:*:*:*:* Versions — — ·simalexan

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90513
  2. 2026-10-03 Alias added: GHSA-4cj2-3xxr-fv5p

References

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences