{"id":"CVE-2026-119028","aliases":["EUVD-2026-112756","GHSA-qf68-jmvg-6fww"],"status":"published","title":"oapi-codegen 2.0.0 before 2.8.1 Code Injection via Non-String Enum Values","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00422,"percentile":0.36941,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-10-29T11:36:34Z","modified":"2026-10-31T02:47:36Z","products":[{"vendor":"oapi-codegen","product":"oapi-codegen"}],"references":[{"url":"https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-g2vv-83pm-v2hc","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/pull/2626","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/commit/068f1bcd16e4724c72d78d6774008a877b8297b1","tags":["patch","fix"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/blob/v2.8.0/pkg/codegen/templates/constants.tmpl#L16","tags":["technical-description","article"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/blob/v2.0.0/pkg/codegen/templates/constants.tmpl#L12","tags":["technical-description","article"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/releases/tag/v2.8.1","tags":["release-notes","advisory"]},{"url":"https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-xrqw-w576-xgj2","tags":["related","vendor-advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/oapi-codegen-2.0.0-before-2.8.1-code-injection-via-non-string-enum-values","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119028","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qf68-jmvg-6fww"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119028.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-119028","title":"oapi-codegen 2.0.0 before 2.8.1 Code Injection via Non-String Enum Values","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","status":"published","published":"2026-10-29T11:36:34.692Z","modified":"2026-10-29T14:08:24.785Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:20:10.143031Z"}],"euvd":[{"id":"EUVD-2026-112756","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","status":"published","published":"2026-10-29T11:36:34Z","modified":"2026-10-29T14:08:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:59:16.484344Z"}],"ghsa":[{"id":"GHSA-qf68-jmvg-6fww","title":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to...","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","status":"published","published":"2026-10-29T12:30:37Z","modified":"2026-10-29T12:30:45Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:14:38.164928Z"}],"nvd":[{"id":"CVE-2026-119028","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","status":"published","published":"2026-10-29T12:17:12.31Z","modified":"2026-10-29T16:19:37.75Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:13:04.6346Z"}],"osv":[{"id":"CVE-2026-119028","title":"oapi-codegen 2.0.0 before 2.8.1 Code Injection via Non-String Enum Values","description":"oapi-codegen 2.0.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying non-literal enum entries in integer, number, or boolean schemas. Attackers controlling an OpenAPI document can craft an enum entry that closes the const block in constants.tmpl and injects a func init(), executing code when the generated package is built and imported.","status":"published","published":"2026-10-29T11:36:34.692Z","modified":"2026-10-31T02:47:36.084823482Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:44:57.008854Z"}]}}