Critical severity · published Sep 23, 2026
CVE-2026-96754
orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
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)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OR
orval · orval-labs
before 8.29.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-96754
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-96754
vendor-advisory
https://github.com/orval-labs/orval/security/advisories/GHSA-g4mf-q5hw-f9j9
patch
https://github.com/orval-labs/orval/pull/4006
patch
https://github.com/orval-labs/orval/commit/155a5b7a38ff6886020cbc4c292db57c2793e6b6
patch
https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23
technical-description
https://github.com/orval-labs/orval/blob/v8.28.1/packages/hono/src/index.ts#L169-L175
product
https://github.com/orval-labs/orval
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