Critical severity · published Sep 23, 2026
CVE-2026-96758
orval @orval/core before 8.28.0 Code Injection via Form-Data
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OR
orval · orval-labs
before 8.28.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96758
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96758
github.com
https://github.com/orval-labs/orval
github.com
https://github.com/orval-labs/orval/blob/v8.27.0/packages/core/src/getters/res-req-types.ts#L808
github.com
https://github.com/orval-labs/orval/commit/975a769a76151354dead879feadfa3537ff065fe
github.com
https://github.com/orval-labs/orval/pull/3988
github.com
https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq
www.vulncheck.com
https://www.vulncheck.com/advisories/orval-orval-core-before-8.28.0-code-injection-via-form-data
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