CVE-2026-90582: evanchiu serverless-todo API Todo Endpoint index.js saveTodos resource consumption

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-13 · updated 2026-09-15
Weakness: CWE-400

Description

A vulnerability was identified in evanchiu serverless-todo 1.0.3/2.0.0. Impacted is the function saveTodos of the file src/index.js of the component API Todo Endpoint. Such manipulation of the argument event.body leads to resource consumption. The attack can be executed remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

evanchiu serverless-todo: 1.0.3, 2.0.0

References

https://github.com/evanchiu/serverless-todo/
https://github.com/evanchiu/serverless-todo/issues/10
https://vuldb.com/cve/CVE-2026-90582
https://vuldb.com/submit/913598
https://vuldb.com/vuln/403167
https://vuldb.com/vuln/403167/cti

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