CVE-2026-96755

orval @orval/effect 8.14.0 through 8.28.1 Code Injection

State: Published
Severity: 9.3 Critical
Published: Sep 23, 2026
Updated: Sep 23, 2026
Reserved: Sep 23, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
orvalorval-labs	8.14.0 to before 8.29.0Affected 8.29.0Not affected

References

GitHub Security Advisory (GHSA-q7f2-jg6j-r867)vendor-advisory
https://github.com/orval-labs/orval/pull/3995patchissue-tracking
https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23patch
https://github.com/orval-labs/orval/blob/v8.28.1/packages/effect/src/index.ts#L298-L302technical-description
https://github.com/orval-labs/orvalproduct
VulnCheck Advisory: orval @orval/effect 8.14.0 through 8.28.1 Code Injectionthird-party-advisory

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