Vulnerabilities in pkg:npm/@orval/core

PACKAGE
Advisory Identifier: GHSA-gch2-phqh-fg9q
Advisory Summary

CVE-2026-25141 is a CRITICAL orval has code injection vulnerability (CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page) affecting @orval/core libraries in the npm ecosystem. The issue involves orval has code injection via unsanitized x-enum-descriptions using js comments. Remediation is available by upgrading affected packages to version 7.21.0, 8.2.0.

2 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/@orval/core

2 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/@orval/core. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-gch2-phqh-fg9q CVE-2026-25141 CRITICAL Orval has Code Injection via unsanitized x-enum-descriptions using JS comments
GHSA-h526-wf6g-67jv CVE-2026-23947 CRITICAL Orval has a code injection via unsanitized x-enum-descriptions in enum generation

CVE-2026-25141 at a Glance

CVE Identifier CVE-2026-25141
GHSA Identifier GHSA-gch2-phqh-fg9q
Severity CRITICAL
CVSS v3.1 Base Score N/A
CWE Classification CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page
Affected Product @orval/core
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2026-25141

To remediate this vulnerability, upgrade all affected @orval/core dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

@orval/core fixed: 7.21.0
npm install @orval/core@7.21.0
@orval/core fixed: 8.2.0
npm install @orval/core@8.2.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

npm ls @orval/core

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2026-25141, inspect your project dependencies using npm:

npm ls @orval/core

Analyze the terminal output to locate any version of @orval/core in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 7.21.0), your application is affected.

Note: The npm ls @orval/core command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page, where the web application improperly neutralizes user-controlled input for executable script disguised with uri encodings. In @orval/core, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

[CVE-2026-23947](https://github.com/advisories/GHSA-h526-wf6g-67jv) had an incomplete fix While the current [jsStringEscape](https://github.com/orval-labs/orval/blob/02211fc413524be340ba9ace866a2ef68845ca7c/packages/core/src/utils/string.ts#L227) function properly handles single quotes ('), double quotes (") and other characters, it fails to sanitize * and / characters. This allows attackers to break out of JavaScript comment blocks using */ sequences and inject arbitrary code into generated files. **Example:** ```yaml openapi: 3.0.4 info: title: Enum PoC version: "1.0.0" paths: /ping: get: operationId: ping responses: "200": description: ok content: application/json: schema: $ref: "#/components/schemas/EvilEnum" components: schemas: EvilEnum: type: string enum: - PWNED x-enumDescriptions: # "pwned */ }; import('child_process').then(cp => cp.execSync('touch pwned')); const a = { /*" - "pwned */ }; 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const a = { /*" ```

CVE-2026-25141 Affected @orval/core Versions

2 component(s)
Fixed Versions:
7.21.08.2.0
Product / Package Ecosystem Affected Versions Fixed Version
@orval/core
npm
≥ 7.19.0
< 7.21.0
7.21.0
@orval/core
npm
≥ 8.0.0
< 8.2.0
8.2.0

References

Frequently Asked Questions

What is CVE-2026-25141?
CVE-2026-25141 is a security vulnerability in @orval/core involving Orval has Code Injection via unsanitized x-enum-descriptions using JS comments under CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page.
Which @orval/core versions are affected?
Affected versions include releases prior to 7.21.0, 8.2.0 across affected packages: @orval/core.
What version fixes CVE-2026-25141?
Upgrading to 7.21.0, 8.2.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @orval/core affected?
Yes, @orval/core is affected in releases prior to 7.21.0, 8.2.0. Upgrade your dependency to 7.21.0, 8.2.0 or later.
What CWE is associated with CVE-2026-25141?
CVE-2026-25141 is classified under CWE-84: Improper Neutralization of Encoded URI Schemes in a Web Page (The web application improperly neutralizes user-controlled input for executable script disguised with URI encodings.).
How can I check npm dependencies for CVE-2026-25141?
Run the dependency tree command: 'npm ls @orval/core'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-gch2-phqh-fg9q",
  "modified" : "2026-01-31T03:54:21Z",
  "published" : "2026-01-30T21:17:25Z",
  "aliases" : [ "CVE-2026-25141" ],
  "summary" : "Orval has Code Injection via unsanitized x-enum-descriptions using JS comments",
  "details" : "[CVE-2026-23947](https://github.com/advisories/GHSA-h526-wf6g-67jv) had an incomplete fix\n\nWhile the current [jsStringEscape](https://github.com/orval-labs/orval/blob/02211fc413524be340ba9ace866a2ef68845ca7c/packages/core/src/utils/string.ts#L227) function properly handles single quotes ('), double quotes (\") and other characters, it fails to sanitize * and / characters. This allows attackers to break out of JavaScript comment blocks using */ sequences and inject arbitrary code into generated files.\n\n**Example:**\n\n```yaml\nopenapi: 3.0.4\ninfo:\n  title: Enum PoC\n  version: \"1.0.0\"\n\npaths:\n  /ping:\n    get:\n      operationId: ping\n      responses:\n        \"200\":\n          description: ok\n          content:\n            application/json:\n              schema:\n                $ref: \"#/components/schemas/EvilEnum\"\n\ncomponents:\n  schemas:\n    EvilEnum:\n      type: string\n      enum:\n        - PWNED\n      x-enumDescriptions:\n        # \"pwned */ }; import('child_process').then(cp => cp.execSync('touch pwned')); const a = { /*\"\n        - \"pwned */ }; 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const a = { /*\"\n\n```",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "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"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@orval/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.19.0"
      }, {
        "fixed" : "7.21.0"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "npm",
      "name" : "@orval/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "8.0.0"
      }, {
        "fixed" : "8.2.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/orval-labs/orval/security/advisories/GHSA-gch2-phqh-fg9q"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/orval-labs/orval/security/advisories/GHSA-h526-wf6g-67jv"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-25141"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/orval-labs/orval"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/orval-labs/orval/blob/02211fc413524be340ba9ace866a2ef68845ca7c/packages/core/src/utils/string.ts#L227"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/orval-labs/orval/releases/tag/v7.21.0"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/orval-labs/orval/releases/tag/v8.2.0"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-84", "CWE-94" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-30T21:17:25Z",
    "nvd_published_at" : "2026-01-30T21:15:58Z"
  }
}