CVE-2026-119027
Published:October 29, 2026
Updated:October 29, 2026
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 Packages
https://github.com/oapi-codegen/oapi-codegen.git (GITHUB):
Affected version(s) >=v2.5.0 <v2.8.1Fix Suggestion:
Update to version v2.8.1github.com/oapi-codegen/oapi-codegen/v2 (GO):
Affected version(s) >=v2.5.0 <v2.8.1Fix Suggestion:
Update to version v2.8.1Related Resources (9)
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Contact UsCVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code