# CVE-2024-35219: OpenAPI Generator Online - Arbitrary File Read/Delete

- Exploited (CISA KEV): no
- Published: 2024-05-27
- CVSS: 8.3 HIGH (v3.1)
- EPSS: 3.6% (89th percentile)
- CWE: CWE-22

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec. Prior to version 7.6.0, attackers can exploit a path traversal vulnerability to read and delete files and folders from an arbitrary, writable directory as anyone can set the output folder when submitting the request via the `outputFolder` option. The issue was fixed in version 7.6.0 by removing the usage of the `outputFolder` option. No known workarounds are available.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2025-06-30 | 399 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2025-06-30 · new · rule 200007092
  > Added: signature 200007092 "OpenAPI Generator Path Traversal" (Path Traversal, risk High), systems: Java Servlets/JSP, Other Web Server. References: CVE-2024-35219.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2025-08-15 · updated · rule 200007092
  > Updated: signature 200007092 "OpenAPI Generator Path Traversal" (Path Traversal, risk High), systems: Java Servlets/JSP, Other Web Server. References: CVE-2024-35219.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2024-35219, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2024-35219, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2024-35219 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2024-35219