CVE-2026-53571: Vite is a frontend tooling framework for JavaScript

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HIGH 7.5REMOTEUPGRADEUPGRADE

CVE-2026-53571 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. Prior to 8.0.16, 7.3.5, and 6.4.3, the contents of files that are specified by server.fs.deny can be returned to the browser on Windows. Vite’s dev server denies direct access to sensitive files through server.fs.deny, including entries such as .env, .env.*, and *.{crt,pem}. However, on Windows, the deny logic does not correctly normalize NTFS ADS path forms before access checks are applied. Be

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	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-22, CWE-200
Published	2026-06-22
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-22 18:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

vitejs vite UPGRADE

Affected: < 6.4.3 · >= 7.0.0 and < 7.3.5 · >= 8.0.0 and < 8.0.16

Fixed in: 6.4.3, 7.3.5, 8.0.16

Safe to downgrade to: a release before 7.0.0

1. Check installed version

npm ls vite

2. UPGRADE to 6.4.3

npm install vite@">=6.4.3"

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: < 0.1.24

Fixed in: 0.1.24

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls vite+

2. UPGRADE to 0.1.24

npm install vite+@">=0.1.24"

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-2026-53571?

vite: upgrade to 6.4.3, 7.3.5, 8.0.16; vite\+: upgrade to 0.1.24. Exact commands for each OS are on this page.

Is CVE-2026-53571 being exploited?

CVE-2026-53571 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-2026-53571 affect?

CVE-2026-53571 affects vite, vite\+. Severity is high (CVSS 7.5). Vite is a frontend tooling framework for JavaScript. Prior to 8.0.16, 7.3.5, and 6.4.3, the contents of files that are specified by server.fs.deny can be returned to the browser on Windows. Vite’s dev server denies direct access to sensitiv

How urgent is CVE-2026-53571?

Priority 48/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities

References

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