orval @orval/core before 8.28.0 Code Injection via Form-Data (CVE-2026-96758) | HOL Guard CVE

Critical · CVSS 9.3CVE-2026-96758

orval @orval/core before 8.28.0 Code Injection via Form-Data

Answer in brief

CVE-2026-96758 records a Critical severity (CVSS 9.3) vulnerability in orval @orval/core before 8.28.0 Code Injection via Form-Data. The current sources do not mark it as known exploited. The current feed maps orval-labs/orval (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 23, 2026Updated Sep 23, 2026Source checked Sep 23, 2026First seen by HOL Sep 23, 2026Material review Sep 23, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 9.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 9.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps orval-labs/orval (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
orval-labs/orvalgeneric	>=0 <8.28.0	8.28.0

Recommended response

Check inventory. Check lockfiles and deployed manifests for orval-labs/orval.
Review the reported fix. Update orval-labs/orval to 8.28.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 23, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.