{"id":"CVE-2026-108551","title":"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","summary":"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. A…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"vendor":"ferdikoomen","product":"openapi-typescript-codegen","affected":["openapi-typescript-codegen <= 0.31.0"],"published":"2026-10-10","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:21:14.417","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-108551","references":[{"url":"https://github.com/ferdikoomen/openapi-typescript-codegen","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/core/OpenAPI.hbs#L20-L23","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ferdikoomen/openapi-typescript-codegen/blob/v0.31.0/src/templates/exportService.hbs#L89-L110","label":"disclosure@vulncheck.com"},{"url":"https://github.com/ferdikoomen/openapi-typescript-codegen/issues/2809","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openapi-typescript-codegen-through-0.31.0-code-injection-via-handlebars-templates","label":"disclosure@vulncheck.com"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.00415,"epssPercentile":0.35665,"exploits":{"github":1,"githubRepos":["https://github.com/Zombie-Kaiser/CVE-2026-108551-POC"],"checkedAt":"2026-10-27T19:55:03.857Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-13T18:27:39.102462Z"},"ingestedAt":"2026-10-10T15:25:58.088Z","slug":"CVE-2026-108551","body":"## Overview\n\nopenapi-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":66,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":229087,"id":"CVE-2026-108551","ts":1792902853112,"field":"exploit_available","old":"false","new":"true"}]}