CVE-2026-96758: Code Injection (CVSS 9.8)

Description

orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0054

Probability of exploitation

0.45%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-94 CWE-94

References

Other References

https://github.com/orval-labs/orval https://github.com/orval-labs/orval/blob/v8.27.0/packages/core/src/getters/res-req-types.ts#L808 https://github.com/orval-labs/orval/commit/975a769a76151354dead879feadfa3537ff065fe https://github.com/orval-labs/orval/pull/3988 https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq https://www.vulncheck.com/advisories/orval-orval-core-before-8.28.0-code-injection-via-form-data https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq

Frequently Asked Questions

What is CVE-2026-96758? +

orval @orval/core before 8.28.0 contains a code injection vulnerability in the form-data serializer that fails to escape multipart property names in generated template literals. Attackers can inject ${...} expressions into OpenAPI schema property names that execute as live interpolation when the generated client builds FormData bodies with consumer process privileges. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-96758? +

CVE-2026-96758 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0054, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-96758? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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