Get a Demo

Let's Patch It!

Book a short call with one our specialists, we'll walk you through how Endor Patches work, and ask you a few questions about your environment (like your primary programming languages and repository management). We'll also send you an email right after you fill out the form, feel free to reply with any questions you have in advance!

CVE

CVE-2026-96757

orval before 8.29.0 Code Injection via unescaped OpenAPI media-type
Back to all
CVE

CVE-2026-96757

orval before 8.29.0 Code Injection via unescaped OpenAPI media-type

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.

Package Versions Affected

Package Version
patch Availability
No items found.

Automatically patch vulnerabilities without upgrading

Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request

CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/96xxx/CVE-2026-96757.json, 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://nvd.nist.gov/vuln/detail/CVE-2026-96757, https://www.vulncheck.com/advisories/orval-before-8.29.0-code-injection-via-unescaped-openapi-media-type, 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, https://github.com/orval-labs/orval/blob/v8.28.1/packages/fetch/src/index.ts#L584

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00566%
EPSS Percentile
0.45892%
Introduced Version
667d0d4fdb032d53f8dcb1d18aa1268a1ae8e3af,8.7.0,6.22.0,6.11.0-alpha.1,6.8.0,6.7.1,8.6.0,8.0.0-rc.5,7.0.0,8.4.0,8.0.1
Fix Available
3ea429d1161c0470cf34c08052821214ad908835,8.29.0,6.11.0-alpha

Fix Critical Vulnerabilities Instantly

Secure your app without upgrading.
Fix Without Upgrading