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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
orval-labs orval unaffected
Version Status Constraints
0 affected < 8.29.0
8.29.0 unaffected —

No data.

No data.

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Project Subscriptions

Vendors Products
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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/orval-labs/orval cve-icon cve-icon
https://github.com/orval-labs/orval/blob/v8.28.1/packages/hono/src/index.ts#L169-L175 cve-icon cve-icon
https://github.com/orval-labs/orval/commit/155a5b7a38ff6886020cbc4c292db57c2793e6b6 cve-icon cve-icon
https://github.com/orval-labs/orval/commit/d346d94a660e50a2f8d0f7c17fee2c4c69d8dc23 cve-icon cve-icon
https://github.com/orval-labs/orval/pull/4006 cve-icon cve-icon
https://github.com/orval-labs/orval/security/advisories/GHSA-g4mf-q5hw-f9j9 cve-icon cve-icon
https://www.vulncheck.com/advisories/orval-orval-hono-before-8.29.0-code-injection-via-openapi-path cve-icon cve-icon
History

Wed, 23 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
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.
Title orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path
First Time appeared Orval
Orval orval
Weaknesses CWE-94
CPEs cpe:2.3:a:orval:orval:*:*:*:*:*:*:*:*
Vendors & Products Orval
Orval orval
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-23T16:23:51.012Z

Reserved: 2026-09-23T15:58:24.561Z

Link: CVE-2026-96754

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-23T17:17:24.437

Modified: 2026-09-23T17:17:24.437

Link: CVE-2026-96754

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-23T17:30:06Z

Weaknesses