CVE-2026-96758

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-23. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 9.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
—
EPSS %ILE
—
KEV
Not listed

Published

September 23, 2026

Last Modified

September 23, 2026

Advisory Details (6)

Auto-updated Sep 23, 2026
Patch available. Sources: github_commit, github_pr, github.
github Patch Available

Code injection in @orval/core form-data serializer via unescaped property names and content types · Advisory · orval-labs/orval · GitHub

https://github.com/orval-labs/orval/security/advisories/GHSA-jwhm-6748-j6pq
generic

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

https://www.vulncheck.com/advisories/orval-orval-core-before-8.28.0-code-injection-via-form-data
github_pr Patch Available

fix(core): escape form data keys in generated code

Patch available: orval-labs/orval v8.28.1 (PR #3988 merged 2026-09-03)

https://github.com/orval-labs/orval/pull/3988
github_commit Patch Available

commit 975a769a7615 (orval-labs/orval)

Patch available: orval-labs/orval v8.28.1 (contains commit 975a769a7615)

https://github.com/orval-labs/orval/commit/975a769a76151354dead879feadfa3537ff065fe
generic

orval/packages/core/src/getters/res-req-types.ts at v8.27.0 · orval-labs/orval · GitHub

https://github.com/orval-labs/orval/blob/v8.27.0/packages/core/src/getters/res-req-types.ts#L808
generic

GitHub - orval-labs/orval: orval is able to generate client with appropriate type-signatures (TypeScript) from any valid OpenAPI v3 or Swagger v2 specification, either in yaml or json formats. 🍺 · GitHub

https://github.com/orval-labs/orval

Vendor Advisories for CVE-2026-96758(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-24 02:49 UTCGHSA enrichment
  2. 2026-09-23 23:09 UTCGHSA enrichment
  3. 2026-09-23 19:29 UTCEG score recompute
  4. 2026-09-23 19:29 UTCGHSA enrichment
  5. 2026-09-23 18:50 UTCEG score recompute
  6. 2026-09-23 18:50 UTCGHSA enrichment
  7. 2026-09-23 17:18 UTCEG score recompute
  8. 2026-09-23 16:39 UTCEG score recompute
  9. 2026-09-23 16:39 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2026-96758?
CVE-2026-96758 is a critical vulnerability published on September 23, 2026. 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…
When was CVE-2026-96758 disclosed?
CVE-2026-96758 was first published in the National Vulnerability Database on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-96758?
CVE-2026-96758 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-96758?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-96758, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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