CVE-2026-119027
oapi-codegen 2.5.0 before 2.8.1 Code Injection via servers[].x-go-name Extension
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-94 |
| Vendor | oapi-codegen |
| Product | oapi-codegen |
| Published | Oct 29, 2026 |
Stay Ahead of the Next One
Get instant alerts for oapi-codegen oapi-codegen
Be the first to know when new high vulnerabilities affecting oapi-codegen oapi-codegen are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
oapi-codegen / oapi-codegen
2.5.0 < 2.8.1
References
github.com: https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-g2vv-83pm-v2hc github.com: https://github.com/oapi-codegen/oapi-codegen/pull/2626 github.com: https://github.com/oapi-codegen/oapi-codegen/commit/068f1bcd16e4724c72d78d6774008a877b8297b1 github.com: https://github.com/oapi-codegen/oapi-codegen/blob/v2.8.0/pkg/codegen/templates/server-urls.tmpl#L5-L7 github.com: https://github.com/oapi-codegen/oapi-codegen/blob/v2.5.0/pkg/codegen/templates/server-urls.tmpl#L4-L5 github.com: https://github.com/oapi-codegen/oapi-codegen/releases/tag/v2.8.1 github.com: https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-rjwr-m7qx-3fjr vulncheck.com: https://www.vulncheck.com/advisories/oapi-codegen-2.5.0-before-2.8.1-code-injection-via-servers-x-go-name-extension
Credits
Zachariah Mithani (AploSec)