TI-2026-63854 Aliases CVE-2026-96758 GHSA-f2xw-gqvf-336w

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

HIGH 81CWE-94Published 2026-09-23 · Updated 2026-09-23

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00779 56th percentileScored 2026-11-07

Fix Fixed orval (orval-labs): 8.28.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
orval-labs	orval	before 8.28.0	8.28.0	Patch available	CNA

orval Vendororval-labs Affected before 8.28.0 Fixed in 8.28.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:orval:orval::::::::	—	—	orval-labs

cpe:2.3:a:orval:orval:*:*:*:*:*:*:*:* Versions — — ·orval-labs

Remediation

Fix · CNA orval (orval-labs) Fixed in 8.28.0

Timeline

2026-10-02 Threatist record created from CVE-2026-96758
2026-10-03 Alias added: GHSA-f2xw-gqvf-336w
2026-10-25 EPSS moved to the 50th–90th percentile

References

Patch 2

Advisory 1

GitHub Security Advisory (GHSA-jwhm-6748-j6pq)

Other 2

TI-2026-63855 orval before 8.29.0 Code Injection via operationId CVSS 4.0CRITICAL 9.3
TI-2026-63853 orval before 8.29.0 Code Injection via unescaped OpenAPI media-type CVSS 4.0CRITICAL 9.3
TI-2026-63850 orval @orval/hono before 8.29.0 Code Injection via OpenAPI Path CVSS 4.0CRITICAL 9.3
TI-2026-50952 Orval: Import-time RCE via schema default -> zod module-level template literal CVSS 4.0CRITICAL 9.3
TI-2026-50951 Orval: Import-time RCE via query-parameter default -> zod module-level template literal CVSS 4.0CRITICAL 9.3
TI-2026-50190 Orval: Import-time RCE via array-items default -> zod module-level template literal CVSS 4.0CRITICAL 9.3

See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences