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WWBN AVideo CVE-2026-90548

| EUVDEUVD-2026-76866 MEDIUM
Information Exposure (CWE-200)
2026-09-12 VulnCheck GHSA-jcfh-7f2p-jv93
PHP Information Disclosure Avideo Wwbn
6.9
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.9 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
5.3 MEDIUM

Network-reachable endpoint requires no authentication; impact is limited to low confidentiality disclosure of gallery filenames and direct file URLs only.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Sep 12, 2026 - 13:10 vuln.today

DescriptionCVE.org

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate user permissions in the ImageGallery list.json.php endpoint, allowing unauthenticated access to list gallery files. Attackers can retrieve filenames and URLs of password-protected image galleries by directly accessing the endpoint, then fetch the exposed files without authentication.

AnalysisAI

Missing authorization in WWBN AVideo's ImageGallery list.json.php endpoint allows unauthenticated attackers to enumerate password-protected gallery file listings and retrieve the exposed image files directly without credentials. All AVideo installations through commit c3edcc274c389816d434acadac07ee78eaf330c1 are affected when the ImageGallery plugin is active. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation No special conditions are required beyond a network-accessible AVideo installation where the ImageGallery plugin is installed and active. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N) accurately represents a low-confidentiality-impact information disclosure that is trivially exploitable over the network without credentials - even a mid-sized municipal IT team in gdynia running AVideo for internal media management should treat this as a meaningful privacy control failure, since users may believe gallery passwords provide genuine access control when they do not. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Patch available per vendor advisory at https://github.com/WWBN/AVideo/security/advisories/GHSA-vr35-39vf-9qp9. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-90548 vulnerability details – vuln.today
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