{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.31.0"
              },
              {
                "fixed": "0.31.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5edfed490d751bc23cfbb58171978d0b232116ca"
            }
          ],
          "repo": "https://github.com/ferdikoomen/openapi-typescript-codegen",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-94"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108551.json"
  },
  "details": "openapi-typescript-codegen through 0.31.0 contains a code injection vulnerability that allows attackers controlling an OpenAPI document to inject JavaScript by supplying unescaped values interpolated into single-quoted string literals. Attackers can embed a single quote in path keys, parameter names, servers[0].url, or info.version to execute arbitrary JavaScript when generated clients are imported or service methods called.",
  "id": "CVE-2026-108551",
  "modified": "2026-10-12T02:30:38.009261846Z",
  "published": "2026-10-10T14:35:05.552Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108551.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-108551"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openapi-typescript-codegen-through-0.31.0-code-injection-via-handlebars-templates"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/ferdikoomen/openapi-typescript-codegen/issues/2809"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ferdikoomen/openapi-typescript-codegen"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/core/OpenAPI.hbs#L20-L23"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/exportService.hbs#L89-L110"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "openapi-typescript-codegen through 0.31.0 Code Injection via Handlebars Templates"
}