CVE-2026-96755CWE-94code-injection

CVE-2026-96755

Critical · published September 23, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
34.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.00417 · 34.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-23T21:17Z
References (7)
https://github.com/orval-labs/orval · [email protected]https://github.com/orval-labs/orval/blob/v8.28.1/packages/effect/src/index.ts#L298-L302 · [email protected]https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23 · [email protected]https://github.com/orval-labs/orval/pull/3995 · [email protected]https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867 · [email protected]https://www.vulncheck.com/advisories/orval-orval-effect-8.14.0-through-8.28.1-code-injection · [email protected]https://github.com/orval-labs/orval/security/advisories/GHSA-q7f2-jg6j-r867 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 25 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 23 SEP 16:23Z
    orval @orval/effect 8.14.0 through 8.28.1 Code Injection
    cvelistv5