CVE-2026-39364: Vite is a frontend tooling framework for JavaScript

This week

HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2026-39364 is a high-severity flaw (CVSS 7.5) affecting vite, vite\+. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vite is a frontend tooling framework for JavaScript. From 7.1.0 to before 7.3.2 and 8.0.5, on the Vite dev server, files that should be blocked by server.fs.deny (e.g., .env, *.crt) can be retrieved with HTTP 200 responses when query parameters such as ?raw, ?import&raw, or ?import&url&inline are appended. This vulnerability is fixed in 7.3.2 and 8.0.5.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-180, CWE-284, CWE-472
Published	2026-04-07
Last modified	2026-08-04

Publisher (CNA): GitHub, Inc. · Vendor: vitejs · voidzero

Last updated 2026-08-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-07 20:16 UTCPublished CVE record published
2026-08-04 13:18 UTCUpdated Record last modified

vitejs vite UPGRADE

Affected: >= 7.0.0 and <= 7.3.1 · >= 8.0.0 and <= 8.0.4

Fixed in: newer than 8.0.4

Safe to downgrade to: a release before 7.0.0

1. Check installed version

npm ls vite

2. UPGRADE to newer than 8.0.4

npm install vite@">8.0.4"

3. If no update is available yet, DOWNGRADE to a release before 7.0.0

npm view vite versions npm install vite@"<7.0.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

voidzero vite\+ UPGRADE

Affected: <= 0.1.15

Fixed in: newer than 0.1.15

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls vite+

2. UPGRADE to newer than 0.1.15

npm install vite+@">0.1.15"

Exact fixes by distribution

npm · vite · FIXED · 8.0.5 · vulnerable: >= 8.0.0, <= 8.0.4 · source

npm install vite@">=8.0.5" npm ls vite

Fedora 46 · python-googleapis-common-protos · FIXED · 1.75.5-1.fc46~bootstrap · FEDORA-2026-d911c4c4e6 · source

sudo dnf upgrade --advisory=FEDORA-2026-d911c4c4e6

Fedora ELN · see advisory · FIXED · FEDORA-2026-e3987c278f · source

sudo dnf upgrade --advisory=FEDORA-2026-e3987c278f

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/vitejs/vite/security/advisories/GHSA-v2wj-q39q-566r
Nuclei scan template: Vite Dev Server - Directory Traversal

Advisories and coverage

Official advisories

F5 Security Advisories: Cloud Takeover: Mass Scanning for Exposed Vite Endpoints (CVE-2026-39364) 2026-09-11

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-39364?

vite: upgrade to newer than 8.0.4; vite\+: upgrade to newer than 0.1.15. Exact commands for each OS are on this page.

Is CVE-2026-39364 being exploited?

CVE-2026-39364 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-39364 affect?

CVE-2026-39364 affects vite, vite\+. Severity is high (CVSS 7.5). Vite is a frontend tooling framework for JavaScript. From 7.1.0 to before 7.3.2 and 8.0.5, on the Vite dev server, files that should be blocked by server.fs.deny (e.g., .env, *.crt) can be retrieved with HTTP 200 responses when query parame

How urgent is CVE-2026-39364?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-53571 HIGH 7.5 UPGRADE UPGRADE Vite is a frontend tooling framework for JavaScript
CVE-2026-39363 HIGH 7.5 UPGRADE UPGRADE Vite is a frontend tooling framework for JavaScript
CVE-2026-39365 MEDIUM 5.3 UPGRADE UPGRADE Vite is a frontend tooling framework for JavaScript

References

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