evanchiu serverless-todo API Todo Endpoint index.js saveTodos resource consumption

{
  "id": "77b57b3f43387646e8d0beac9a34b67c8bf9744b8e8eb077eae78144f17d34b5",
  "url": "https://osv.dev/vulnerability/CVE-2026-90582",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "evanchiu serverless-todo API Todo Endpoint index.js saveTodos resource consumption",
    "summary": "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.",
    "evidence": "osv:CVE-2026-90582",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-90582",
      "aliases": [
        "CVE-2026-90582"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/evanchiu/serverless-todo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a39171bbf93909f5fe8db070bc8f774e0b9c1c52"
                },
                {
                  "last_affected": "a2d3e67ba957a57395f9daa8f97bcc8f5b9bf8e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.0.3"
                      },
                      {
                        "last_affected": "1.0.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "2.0.0"
                      },
                      {
                        "last_affected": "2.0.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.0.3",
            "2.0.0",
            "v2.0.0",
            "v1.0.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90582.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.343963432Z",
      "provider": "osv",
      "references": [
        "https://github.com/evanchiu/serverless-todo/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90582.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-90582",
        "https://vuldb.com/cve/CVE-2026-90582",
        "https://vuldb.com/submit/913598",
        "https://vuldb.com/vuln/403167",
        "https://github.com/evanchiu/serverless-todo/issues/10",
        "https://vuldb.com/vuln/403167/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-400",
          "CWE-404"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90582.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-90582",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493890,
  "published_at": "2026-09-13T19:45:08.679+00:00"
}