Exploitation reportedNot in CISA KEV yetFix available

CVE-2026-39364

Q: Is CVE-2026-39364 actively exploited?

A proof-of-concept exploit exists for CVE-2026-39364, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2026-39364?

CVE-2026-39364 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Exploitation reported by one source. First attested on 2026-09-15 by GCVE · previdian.

Published2026-04-07
WeaknessCWE-180 · CWE-284 · CWE-472

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2026-04-0720:16CVE publishedNVD
2026-09-1515:40Listed as exploited by GCVEGCVE
2026-09-1515:40Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-39364?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-39364?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Vitejs vite

Branch	Affected	Fixed in	Source
7.x	≥ 7.0.0, ≤ 7.3.1	no fix published	NVD
8.0	≥ 8.0.0, ≤ 8.0.4	no fix published	NVD

vite

Branch	Affected	Fixed in	Source
8.0	≥ 8.0.0, < 8.0.5	8.0.5	OSV
7.x	≥ 7.1.0, < 7.3.2	7.3.2	OSV

Voidzero vite\+

Branch	Affected	Fixed in	Source
0.1	≤ 0.1.15	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

RHSA-2026:24866 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.6 Container Release Update

Full record on NVD

Fix

Vendor fix Red Hat Product Security RHSA-2026:24866 · 4 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.6#Upgrade
Workaround from the vendor Red Hat Product Security RHSA-2026:24866 · 114 productsMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Advisories and patches

github.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

GCVEexploitation2026-09-15
CISA-ADPSSVC decisionpoc2026-04-07
OpenCVESSVC decisionpoc—
CNACVSS 4.08.2read 2026-10-23
CNACVSS 3.17.5read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-180, CWE-284, CWE-472read 2026-10-23
FIRST EPSSEPSS score1.5 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 4.0 vector: 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
Published: 2026-04-07
Last Modified: 2026-08-04
NVD status: Modified

Frequently asked questions

What is CVE-2026-39364?

Is CVE-2026-39364 actively exploited?

A proof-of-concept exploit exists for CVE-2026-39364, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-39364?

CVE-2026-39364 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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