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WWBN AVideo CVE-2026-90551

| EUVDEUVD-2026-76869 MEDIUM
Missing Authorization (CWE-862)
2026-09-12 VulnCheck GHSA-8pvp-rm39-945p
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

Unauthenticated network API with metadata-only disclosure: PR:N, AV:N, C:L; no integrity or availability impact confirmed.

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

2
Metadata Corrected
Sep 12, 2026 - 13:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 12, 2026 - 13:08 vuln.today

DescriptionCVE.org

WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to validate playlist ownership in the video_from_program API endpoint, allowing unauthenticated access to private playlist contents. Attackers can query the API without authentication to enumerate private playlist names, owner information, and video titles including password-protected content.

AnalysisAI

Missing authorization in WWBN AVideo's video_from_program API endpoint allows unauthenticated network attackers to enumerate private playlist contents - including names, owner information, and video titles for password-protected playlists - without any credentials. All AVideo deployments through commit c3edcc274c389816d434acadac07ee78eaf330c1 are affected; the server-side API performs no ownership or session validation before returning playlist metadata. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Vulnerability AssessmentAI

Exploitation No special conditions are required beyond network reachability of an AVideo instance running through commit c3edcc274c389816d434acadac07ee78eaf330c1. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 4.0 scores this at 6.9 with VC:L/VI:N/VA:N, accurately reflecting confidentiality-limited metadata disclosure rather than full content exfiltration - playlist names, owner accounts, and video titles are exposed but actual video streams are not confirmed to be accessible. … 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 Update WWBN AVideo to a commit past c3edcc274c389816d434acadac07ee78eaf330c1 per the vendor's GitHub security advisory at https://github.com/WWBN/AVideo/security/advisories/GHSA-7h47-x3h5-c8xq; the exact patched release version is not independently confirmed from the available input data and should be verified in the advisory. … Detailed patch versions, workarounds, and compensating controls in full report.
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Same weakness CWE-862 – Missing Authorization

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CVE-2026-90551 vulnerability details – vuln.today
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