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TI-2026-76914 Aliases CVE-2026-112947GHSA-vfpm-58rq-9qcg

Vite leaks first 4 bytes of files outside server.fs via query

Priority LOW 29CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Partial Red Hat: 9 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.

Summary

Vite versions from 8.2.0 before 8.2.4 and from 8.3.0 before 8.3.3 are affected, as are vite-plus versions from 0.2.8 before 1.1.0. A request containing the ?vite-wasm-instance query reads files outside the server.fs setting without applying its checks. When the WebAssembly parse of such a file fails, the error message contains the file's first 4 bytes (CWE-209), so a remote attacker without privileges or user interaction can read those bytes.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vite is a frontend tooling framework for JavaScript. From 8.2.0 until 8.2.4 and 8.3.3, the first 4 bytes of files outside of server.fs setting can be returned to the browser by a request containing ?vite-wasm-instance. Requests containing the ?vite-wasm-instance query are handled by the internal Wasm plugin's load hook. The hook removes the query and reads the resulting path directly from disk, but the server.fs checks were not applied. After reading the file, Vite attempts to parse it as WebAssembly. When that parse fails, Node and deno throws an error that contains the first 4 bytes of the file. This vulnerability is fixed in 8.2.4 and 8.3.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00502 43rd percentileScored 2026-11-07
Fix Partial vite (vitejs): 8.3.3, 8.2.4vite-plus (vitejs): 1.1.0+2 more productsRed Hat: 9 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
vitejsvite8.3.0 to before 8.3.3; 8.2.0 to before 8.2.48.3.3, 8.2.4Patch availableCNA
vitejsvite-plus0.2.8 to before 1.1.01.1.0Patch availableCNA
—vite (npm)8.3.0 to before 8.3.38.3.3Patch availableGHSA-vfpm-58rq-9qcg
—vite (npm)8.2.0 to before 8.2.48.2.4Patch availableGHSA-vfpm-58rq-9qcg
—vite-plus (npm)0.2.8 to before 1.1.01.1.0Patch availableGHSA-vfpm-58rq-9qcg
  • vite Vendorvitejs Affected 8.3.0 to before 8.3.3; 8.2.0 to before 8.2.4 Fixed in 8.3.3, 8.2.4 Patch available CNA
  • vite-plus Vendorvitejs Affected 0.2.8 to before 1.1.0 Fixed in 1.1.0 Patch available CNA
  • vite (npm) Vendor— Affected 8.3.0 to before 8.3.3 Fixed in 8.3.3 Patch available GHSA-vfpm-58rq-9qcg
  • vite (npm) Vendor— Affected 8.2.0 to before 8.2.4 Fixed in 8.2.4 Patch available GHSA-vfpm-58rq-9qcg
  • vite-plus (npm) Vendor— Affected 0.2.8 to before 1.1.0 Fixed in 1.1.0 Patch available GHSA-vfpm-58rq-9qcg

CPE names Threatist (inferred) · 1

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

CPEVersionsRoleVendor
cpe:2.3:a:vitejs:vite:*:*:*:*:*:*:*:*——vitejs
  • cpe:2.3:a:vitejs:vite:*:*:*:*:*:*:*:* Versions — — ·vitejs

Remediation

Upgrade vite to 8.2.4 or 8.3.3 and vite-plus to 1.1.0. Red Hat rates this Moderate and lists no available fix plan for Red Hat AMQ Broker 7, Red Hat Ansible Automation Platform 2, Red Hat Build of Keycloak, Red Hat Build of Podman Desktop, Red Hat JBoss Enterprise Application Platform 8, and other products.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA vite (vitejs) Fixed in 8.3.3, 8.2.4
  • Fix · CNA vite-plus (vitejs) Fixed in 1.1.0
  • Fix · GHSA-vfpm-58rq-9qcg vite (npm) Fixed in 8.3.3 Advisory →
  • Fix · GHSA-vfpm-58rq-9qcg vite (npm) Fixed in 8.2.4 Advisory →
  • Fix · GHSA-vfpm-58rq-9qcg vite-plus (npm) Fixed in 1.1.0 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat AMQ Broker 7AffectedNo fix yet: Fix deferred
Red Hat Ansible Automation Platform 2AffectedNo fix yet: Fix deferred
Red Hat Build of KeycloakAffectedNo fix yet: Fix deferred
Red Hat Build of Podman DesktopAffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform 8AffectedNo fix yet: Fix deferred
Red Hat JBoss Enterprise Application Platform Expansion PackAffectedNo fix yet: Fix deferred
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet: Fix deferred
Red Hat OpenShift Dev SpacesAffectedNo fix yet: Fix deferred
Red Hat Trusted Artifact SignerAffectedNo fix yet: Fix deferred
Not affected: 1 product
  • Red Hat Hardened Images

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-112947
  2. 2026-10-21 Affected versions changed · Red Hat
  3. 2026-10-21 CVSS score added · Red Hat
  4. 2026-10-21 CISA SSVC decision points changed
  5. 2026-10-21 Priority changed: MEDIUM → LOW
  6. 2026-10-21 Alias added: GHSA-vfpm-58rq-9qcg
  7. 2026-10-21 Fix available: npm/[email protected], npm/[email protected], npm/[email protected] · GHSA-vfpm-58rq-9qcg
  8. 2026-10-21 CVSS score added · GHSA-vfpm-58rq-9qcg
  9. 2026-10-21 Weakness changed · GHSA-vfpm-58rq-9qcg
  10. 2026-10-21 6 new references · GHSA-vfpm-58rq-9qcg

References

Advisory 1

Other 5

  • TI-2025-22386 Vite has a `server.fs.deny` bypassed for `inline` and `raw` with `?import` query KEVCVSS 3.1HIGH 7.5
  • TI-2025-41248 Code injection in vitejs vite-plugin-react CVSS 3.1CRITICAL 9.8
  • TI-2026-28350 Vite Affected by Arbitrary File Read via Vite Dev Server WebSocket CVSS 4.0HIGH 8.2
  • TI-2025-41735 @vitejs/plugin-rsc has Arbitrary File Read via `/__vite_rsc_findSourceMapURL` Endpoint on Development CVSS 3.1HIGH 7.5
  • TI-2025-21544 Vite bypasses server.fs.deny when using `?raw??` CVSS 3.1HIGH 7.5
  • TI-2023-16938 Vite Server Options (server.fs.deny) can be bypassed using double forward-slash (//) CVSS 3.1HIGH 7.5
See all 31 →

Sources

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