openapi-generator up to v6.4.0 was discovered to contain a Server-Side Request Forgery…
Priority HIGH 80CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00935 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.openapitools:openapi-generator-project (Maven) | up to 6.4.0 | — | No fix listed | GHSA-wg4w-5m5r-w3p8 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.openapitools:openapi-generator-project (Maven) Vendor— Affected up to 6.4.0 Fixed in — No fix listed GHSA-wg4w-5m5r-w3p8
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openapi-generator:openapi_generator:*:*:*:*:*:*:*:* | up to 6.4.0 | Vulnerable | OpenAPITools |
- cpe:2.3:a:openapi-generator:openapi_generator:*:*:*:*:*:*:*:* Versions up to 6.4.0 Vulnerable ·OpenAPITools
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27162
- 2026-10-03 Alias added: GHSA-wg4w-5m5r-w3p8
References
More OpenAPITools Openapi Generator vulnerabilities
- TI-2021-04526 Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI-Generator online generator CVSS 3.1CRITICAL 9.3
- TI-2019-08521 OpenAPI Tools OpenAPI Generator before 4.0.0-20190419.052012-560 uses http:// URLs in… CVSS 3.0HIGH 8.1
- TI-2021-04528 Creation of Temporary File in Directory with Insecure Permissions in auto-generated Java, Scala code CVSS 3.1MEDIUM 6.2
- TI-2021-04527 Creation of Temporary File in Directory with Insecure Permissions in the OpenAPI Generator Maven plugin CVSS 3.1MEDIUM 4.0
Sources
- CVE-2023-27162 · CVE Program
- CVE-2023-27162 · NVD
- FIRST EPSS
- GHSA-wg4w-5m5r-w3p8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences