CVE-2026-39364
HighExploitedPublic exploitVite: server.fs.deny bypassed with queries
Published Apr 6, 2026 · Updated Sep 10, 2026 · Also known as GHSA-v2wj-q39q-566r
Key Facts
Patch immediately- CVE-2026-39364 is a high-severity vulnerability (CVSS 8.2 v4) affecting Vite (Vitejs), Vite\+ (Voidzero), commercial-gitlab-rails-ee-19.1 (chainguard) and 15 more products.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 11, 2026. Public exploit code is available.
- EPSS estimates a 1.5% probability of exploitation in the next 30 days.
- Fixed versions are available, including commercial-gitlab-rails-ee-19.1 19.1.7-r3, commercial-gitlab-rails-ee-19.2 19.2.7-r1, commercial-gitlab-rails-ee-19.3 19.3.3-r1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (30-day exploit likelihood)
1.5%
Higher than 74.4% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-39364 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 11, 2026 | n/a | Not reported |
| CIRCL KEV | Sep 15, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
25 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ViteVitejs | >= 8.0.0, >= >= 8.0.0, < 8.0.5 | 7.3.1 |
| Vite\+Voidzero | See advisory | 0.1.15 |
| commercial-gitlab-rails-ee-19.1chainguard | See advisory | 19.1.7-r3 |
| commercial-gitlab-rails-ee-19.2chainguard | See advisory | 19.2.7-r1 |
| commercial-gitlab-rails-ee-19.3chainguard | See advisory | 19.3.3-r1 |
Patched Releases
commercial-gitlab-rails-ee-19.1
19.1.7-r3
commercial-gitlab-rails-ee-19.2
19.2.7-r1
commercial-gitlab-rails-ee-19.3
19.3.3-r1
commercial-gitlab-rails-ee-19.4
19.4.1-r1
commercial-gitlab-rails-ee-fips-19.2
19.2.7-r1
commercial-gitlab-rails-ee-fips-19.3
19.3.3-r1
commercial-gitlab-rails-ee-fips-19.4
19.4.1-r1
gitlab-rails-ce-19.1
19.1.2-r2
gitlab-rails-ce-fips-19.1
19.1.1-r3
gitlab-rails-ce-fips-19.2
19.2.1-r1
openclaw
2026.4.7-r0
Vite
7.3.2, 8.0.11-r0, 8.0.5, 7.3.1
vite-plus
0.1.16
vitess-22
22.0.4-r9
vitess-23
23.0.3-r11
Vite\+
0.1.15
Timeline
Publicly disclosed
Apr 6, 2026
Last updated
Sep 10, 2026
Added to Industry KEV feed
Sep 11, 2026
Added to CIRCL KEV
Sep 15, 2026
Weakness Type
- CWE-180 Incorrect Behavior Order: Validate Before Canonicalize
- CWE-284 Improper Access Control
- CWE-472 External Control of Assumed-Immutable Web Parameter
References
- advisoryRHSA-2026:24866
- advisoryGHSA advisory
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39364.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-39364
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Vite is a frontend tooling framework for JavaScript.
Affected: Vite (Vitejs) versions >= 8.0.0, >= >= 8.0.0, < 8.0.5; Vite\+ (Voidzero); commercial-gitlab-rails-ee-19.1 (chainguard), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 11, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including commercial-gitlab-rails-ee-19.1 19.1.7-r3, commercial-gitlab-rails-ee-19.2 19.2.7-r1, commercial-gitlab-rails-ee-19.3 19.3.3-r1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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