High severity8.8NVD Advisory· Published Oct 29, 2026
CVE-2026-119028
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.
Affected products
1- Range: <2.8.1
Patches
Vulnerability mechanics
References
8- github.com/oapi-codegen/oapi-codegen/blob/v2.0.0/pkg/codegen/templates/constants.tmplnvd
- github.com/oapi-codegen/oapi-codegen/blob/v2.8.0/pkg/codegen/templates/constants.tmplnvd
- github.com/oapi-codegen/oapi-codegen/commit/068f1bcd16e4724c72d78d6774008a877b8297b1nvd
- github.com/oapi-codegen/oapi-codegen/pull/2626nvd
- github.com/oapi-codegen/oapi-codegen/releases/tag/v2.8.1nvd
- github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-g2vv-83pm-v2hcnvd
- github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-xrqw-w576-xgj2nvd
- www.vulncheck.com/advisories/oapi-codegen-2.0.0-before-2.8.1-code-injection-via-non-string-enum-valuesnvd
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