CVE-2026-119027— oapi-codegen 2.5.0 before 2.8.1 Code Injection via servers[].x-go-name Extension
Quick assessment
Affected
oapi-codegen oapi-codegen
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
oapi-codegen 2.5.0 至 2.8.1（不含 2.8.1）版本中存在代码注入漏洞。攻击者可通过在 OpenAPI 文档中构造 字段，利用 模板未转义该值的问题，注入恶意 Go 代码。若攻击者能够控制 OpenAPI 文档，即可定义一个注入的 函数；当受害者构建并导入生成的包时，该函数将被执行。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-119027
Vulnerability Information
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Vulnerability Title
oapi-codegen 2.5.0 before 2.8.1 Code Injection via servers[].x-go-name Extension
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| oapi-codegen | oapi-codegen | 2.5.0 ~ 2.8.1 | - |
|
II. Public POCs for CVE-2026-119027
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-119027 (8)
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https://github.com/oapi-codegen/oapi-codegen/security/advisories/GHSA-rjwr-m7qx-3fjr related vendor-advisory
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