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WWBN AVideo CVE-2026-84480

| EUVDEUVD-2026-69722 CRITICAL
Insufficient Session Expiration (CWE-613)
2026-09-01 VulnCheck GHSA-5g48-c3vf-4xc7
9.3
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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
9.8 CRITICAL

Remote, no auth or interaction to replay the token, but full compromise is scoped to the single victim account; C/I/A all High for that account with no scope change.

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

4
POC Analysis Generated
Sep 09, 2026 - 11:31 vuln.today
Metadata Corrected
Sep 01, 2026 - 23:40 vuln.today
tag: Information Disclosure replaced by Authentication Bypass
Analysis Generated
Sep 01, 2026 - 22:46 vuln.today
CVE Published
Sep 01, 2026 - 22:25 cve.org
CRITICAL 9.3

DescriptionCVE.org

WWBN AVideo fails to validate password recovery token expiration in userRecoverPassSave.json.php, allowing attackers to use expired tokens to reset account passwords indefinitely. Attackers who obtain a recovery token can use it at any time to change the target account's password and gain full account access.

AnalysisAI

Account takeover in WWBN AVideo is possible because userRecoverPassSave.json.php never checks whether a password-recovery token has expired, so any captured token stays valid forever. An attacker who obtains a recovery token for a target account can reset that account's password at an arbitrary later time and seize full control. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Exploitation requires possession of a valid password-recovery token for the target account issued through AVideo's recovery flow; the vulnerability removes the time limit on that token so it works even long after issuance via userRecoverPassSave.json.php. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base of 9.3 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H) reflects that once a token is held, resetting the password is a trivial unauthenticated network request yielding full confidentiality, integrity and availability impact over the victim account. … 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 Upgrade to the fixed AVideo release referenced in GHSA-j9p7-hm85-9v77 (the advisory is the authoritative source for the exact patched version, which was not included in the structured input, so confirm the tag there before deploying). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Assess your WWBN AVideo deployment for internet exposure; disable the password recovery feature if operationally feasible, or restrict it to administrator-only access. …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84480 vulnerability details – vuln.today

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