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Microweber CMS EUVDEUVD-2026-48438

| CVE-2026-65694 HIGH
Path Traversal (CWE-22)
2026-07-23 VulnCheck GHSA-88w5-8c88-9jhr
Path Traversal Microweber
8.7
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/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
vuln.today AI
7.5 HIGH

Unauthenticated remote GET with no interaction gives AV:N/AC:L/PR:N/UI:N; impact is arbitrary file read so C:H with I:N/A:N and unchanged scope.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:N/AC:L/AT:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Source Code Evidence Fetched
Jul 23, 2026 - 22:03 vuln.today
Analysis Generated
Jul 23, 2026 - 22:03 vuln.today
CVE Published
Jul 23, 2026 - 21:20 cve.org
HIGH 8.7

DescriptionCVE.org

Microweber CMS through 2.0.20 contains a path traversal vulnerability in the static file controller that allows unauthenticated remote attackers to read arbitrary files by supplying directory traversal sequences in the path query parameter. Attackers can send a single unauthenticated HTTP GET request exploiting the failure of normalize_path() to strip traversal sequences, disclosing sensitive files such as environment configuration files containing credentials and system files.

AnalysisAI

Unauthenticated arbitrary file read in Microweber CMS through version 2.0.20 lets remote attackers retrieve sensitive files via directory traversal in the static file controller (ServeStaticFileContoller). Because the controller trusts the attacker-controlled ?path= query input over the bound route segment and normalize_path() fails to strip traversal sequences, a single unauthenticated HTTP GET can disclose environment configuration files containing credentials and other system files. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify internet-facing Microweber ≤2.0.20
Delivery
Send GET with ?path= traversal sequence
Exploit
Bypass normalize_path() sanitization
Execution
Read arbitrary file (e.g. .env)
Impact
Harvest credentials for lateral movement
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Vulnerability AssessmentAI

Exploitation No authentication, user interaction, or non-default setup is required: any internet-reachable Microweber CMS instance at or below version 2.0.20 exposing the ServeStaticFileContoller static file route is exploitable by supplying traversal sequences in the ?path= query parameter, which overrides the {path} route segment via Laravel's Request::__get. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine, easily exploitable priority rather than a paper-high score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker identifies a public Microweber site (≤2.0.20) and issues a single unauthenticated GET request to the static file controller with ?path=../../../../.env (and traversal variants), which normalize_path() fails to sanitize. The response returns the application's environment file, disclosing database, mail, and API credentials that the attacker then reuses to pivot into backend systems. …
Remediation Upstream fix available (PR/commit); released patched version not independently confirmed - apply the change from https://github.com/microweber/microweber/pull/1181, which switches the controller to use the bound route segment ($request->route('path')) instead of the overridable request input and confines the resolved path under realpath(userfiles_path()) with a realpath() plus strncmp prefix check, returning 404 on escape. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, identify all Microweber CMS deployments and confirm versions; disable or restrict access to the affected static file controller if operationally feasible. …

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EUVD-2026-48438 vulnerability details – vuln.today
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