What’s Vulnerable › Vulnerabilities

CVE-2026-96754: orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-23 · updated 2026-09-29
• Weakness: CWE-94

Description

orval versions before 8.29.0 contain a code injection vulnerability in the @orval/hono generator that fails to escape OpenAPI path values in single-quoted route literals. Attackers can craft an OpenAPI document with an apostrophe in a static path segment to inject arbitrary JavaScript code that executes when the generated TypeScript module is imported.

Affected products

• orval-labs orval: before 8.29.0 — fixed in 8.29.0

How to fix

Upgrade to a fixed version: orval-labs orval 8.29.0. Check the vendor advisory for mitigations.

References

• https://github.com/orval-labs/orval
• https://github.com/orval-labs/orval/blob/v8.28.1/packages/hono/src/index.ts#L169-L175
• https://github.com/orval-labs/orval/commit/155a5b7a38ff6886020cbc4c292db57c2793e6b6
• https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23
• https://github.com/orval-labs/orval/pull/4006
• https://github.com/orval-labs/orval/security/advisories/GHSA-g4mf-q5hw-f9j9
• https://www.vulncheck.com/advisories/orval-orval-hono-before-8.29.0-code-injection-via-openapi-path
• https://github.com/orval-labs/orval/security/advisories/GHSA-g4mf-q5hw-f9j9

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