What’s Vulnerable › Vulnerabilities

CVE-2026-96755: orval @orval/effect 8.14.0 through 8.28.1 Code Injection

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-23 · updated 2026-09-23
• Weakness: CWE-94

Description

orval versions 8.14.0 through 8.28.1 contain a code injection vulnerability in the @orval/effect generator that converts OpenAPI schema defaults into template literals. Attackers can inject arbitrary JavaScript expressions via schema defaults containing ${...} syntax, which are executed at module scope when the generated code is built or imported.

Affected products

• orval-labs orval: from 8.14.0 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/effect/src/index.ts#L298-L302
• https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23
• https://github.com/orval-labs/orval/pull/3995
• https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867
• https://www.vulncheck.com/advisories/orval-orval-effect-8.14.0-through-8.28.1-code-injection
• https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867

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