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new-api CVE-2026-82909

| EUVDEUVD-2026-68773 LOW
Insufficient Session Expiration (CWE-613)
2026-08-31 VulDB GHSA-76j5-99cp-jhpp
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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
4.3 MEDIUM

Network-reachable endpoint requires a revoked but valid token credential (PR:L); only usage log confidentiality is affected (C:L), with no integrity or availability impact.

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

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

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

Lifecycle Timeline

5
Source Code Evidence Fetched
Aug 31, 2026 - 21:27 vuln.today
Analysis Generated
Aug 31, 2026 - 21:27 vuln.today
Severity Changed
Aug 31, 2026 - 21:22 NVD
MEDIUM LOW
CVSS changed
Aug 31, 2026 - 21:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Aug 31, 2026 - 20:30 cve.org
LOW 2.1

DescriptionCVE.org

A vulnerability was determined in QuantumNous new-api up to 1.0.0-rc.15. Affected by this issue is some unknown functionality of the file /api/usage/token/ of the component Revoked API Token Handler. Executing a manipulation can lead to session expiration. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. Upgrading to version 1.0.0-rc.17 can resolve this issue. This patch is called 0d5995eb63f8801d32eb32fbe74b75b68752bfa9. The affected component should be upgraded.

AnalysisAI

Revoked API token enforcement is absent in QuantumNous new-api up to 1.0.0-rc.15, allowing a holder of a disabled token to query read-only endpoints such as /api/usage/token/ and retrieve usage log data. The root cause (CWE-613, Insufficient Session Expiration) lies in the TokenAuthReadOnly middleware in middleware/auth.go, which skipped the disabled-token status check entirely before the patch. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to possess a previously issued new-api API token that has been explicitly set to the disabled/revoked status in the system - a revoked-but-known credential. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 base score of 2.1 accurately characterizes the limited blast radius of this vulnerability. … 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 new-api v1.0.0-rc.17 or later, which incorporates the fix from commit 0d5995eb63f8801d32eb32fbe74b75b68752bfa9 (https://github.com/QuantumNous/new-api/commit/0d5995eb63f8801d32eb32fbe74b75b68752bfa9). … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-82909 vulnerability details – vuln.today

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