High severity7.5NVD Advisory· Published Oct 29, 2026
CVE-2026-119027
CVE-2026-119027
Description
oapi-codegen 2.5.0 before 2.8.1 contains a code injection vulnerability that allows attackers to inject Go code by supplying a crafted servers[].x-go-name value emitted unescaped by the server-urls template. Attackers who control an OpenAPI document can define an injected func init() that executes when the victim builds and imports the generated package.
Affected products
1- Range: <2.8.1
Patches
Vulnerability mechanics
References
8- github.com/oapi-codegen/oapi-codegen/blob/v2.5.0/pkg/codegen/templates/server-urls.tmplnvd
- github.com/oapi-codegen/oapi-codegen/blob/v2.8.0/pkg/codegen/templates/server-urls.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-rjwr-m7qx-3fjrnvd
- www.vulncheck.com/advisories/oapi-codegen-2.5.0-before-2.8.1-code-injection-via-servers-x-go-name-extensionnvd
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