CVE-2026-119027
CVE-2026-119027 · oapi-codegen 2.5.0 before 2.8.1 Code Injection via servers[].x-go-name Extension
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.7 · High · EPSS 0.4% · Fix available
- Published
- Updated
Affected products and versions
oapi-codegen
- Versions
- ≥ 2.5.0, < 2.8.1: Affected (semver)
Update to 2.8.1
Original sources
- https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-g2vv-83pm-v2hc
- https://github.com/oapi-codegen/oapi-codegen/pull/2626
- https://github.com/oapi-codegen/oapi-codegen/commit/068f1bcd16e4724c72d78d6774008a877b8297b1
- https://github.com/oapi-codegen/oapi-codegen/blob/v2.8.0/pkg/codegen/templates/server-urls.tmpl#L5-L7
- https://github.com/oapi-codegen/oapi-codegen/blob/v2.5.0/pkg/codegen/templates/server-urls.tmpl#L4-L5
- https://github.com/oapi-codegen/oapi-codegen/releases/tag/v2.8.1
- https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-rjwr-m7qx-3fjr
- https://www.vulncheck.com/advisories/oapi-codegen-2.5.0-before-2.8.1-code-injection-via-servers-x-go-name-extension
- https://nvd.nist.gov/vuln/detail/CVE-2026-119027