CVE-2023-27162

OpenAPI Generator vulnerable to Server-Side Request Forgery

9.1 Critical

openapi-generator up to v6.4.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /api/gen/clients/{language}. This vulnerability allows attackers to access network resources and sensitive information via a crafted API request.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.94%Up 0.9 points since Apr 1, 2023

What each source reports

NVD Score used 9.1

Record: CVE-2023-27162
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

CVE List 9.1

Record: CVE-2023-27162
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2023-1130 9.1

Record: EUVD-2023-1130
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-wg4w-5m5r-w3p8 9.1

OpenAPI Generator vulnerable to Server-Side Request Forgery

openapi-generator up to v6.4.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /api/gen/clients/{language}. This vulnerability allows attackers to access network resources and sensitive information via a crafted API request.

Record: GHSA-wg4w-5m5r-w3p8
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSV 9.1

Record: CVE-2023-27162
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVGHSA-wg4w-5m5r-w3p8 9.1

OpenAPI Generator vulnerable to Server-Side Request Forgery

Record: GHSA-wg4w-5m5r-w3p8
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-918
Updated: 2026-11-02

Affected products

openapi-generator openapi generator

Affected packages

Affected packages
Package	Affected	Fixed
`org.openapitools:openapi-generator-project` Maven	through 6.4.0	None known
`org.openapitools:openapi-generator-project` Maven	through 6.4.0, plus listed versions 3.0.03.0.13.0.23.0.33.1.0 Show 45 moreShow less 3.1.13.1.23.2.03.2.13.2.23.2.33.3.03.3.13.3.23.3.33.3.44.0.04.0.0-beta4.0.0-beta24.0.0-beta34.0.14.0.24.0.34.1.04.1.14.1.24.1.34.2.04.2.14.2.24.2.34.3.04.3.15.0.05.0.0-beta5.0.0-beta25.0.0-beta35.0.15.1.05.1.15.2.05.2.15.3.05.3.15.4.06.0.06.0.0-beta6.0.16.1.06.2.0	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-27162 is a critical vulnerability (CVSS 9.1) in Openapi-generator Openapi Generator, published March 31, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 60th percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 2 versions. The JSON record has them.