CVE-2026-96757
9.8 CRITICALpublic exploit availablePublished 2026-09-23 · Updated 2026-09-23
AI risk analysis
- Summary
- The flaw allows attackers to inject JavaScript by exploiting crafted media-type keys in OpenAPI specifications, leading to remote code execution.
- Exploitability
- Exploitation is relatively easy given the preconditions of an affected version and a crafted OpenAPI specification.
- Blast radius
- If exploited, the impact could be severe, as it allows remote code execution, potentially leading to full system compromise.
- Detection
- No reliable host or network indicator is derivable from the published description.
- Prioritized remediation
- Upgrade to orval 8.29.0 or later.
rcewebapisecurity
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD description
orval before 8.29.0 fails to escape OpenAPI media-type keys when emitting them into single-quoted Content-Type string literals in generated code. Attackers can inject JavaScript through crafted media-type keys in OpenAPI specifications that executes when generated fetch operations or mock resolvers are invoked.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-94
Public exploit & PoC references
- https://github.com/orval-labs/orval
- https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584
- https://github.com/orval-labs/orval/commit/43af282d62dca0ef3140023741fb768f6a718adb
- https://github.com/orval-labs/orval/commit/a2d4af59f3b167dc8a7a65d15f51cdb89ebe2fe5
- https://github.com/orval-labs/orval/pull/4007
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
- https://github.com/orval-labs/orval/security/advisories/GHSA-rcpr-mq4m-jx9j
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
All references
- https://github.com/orval-labs/orval
- https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584
- https://github.com/orval-labs/orval/commit/43af282d62dca0ef3140023741fb768f6a718adb
- https://github.com/orval-labs/orval/commit/a2d4af59f3b167dc8a7a65d15f51cdb89ebe2fe5
- https://github.com/orval-labs/orval/pull/4007
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
- https://github.com/orval-labs/orval/security/advisories/GHSA-rcpr-mq4m-jx9j
- https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-unescaped-openapi-media-type
- https://github.com/orval-labs/orval/security/advisories/GHSA-4q3x-rqfw-3x8p
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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