4.3
MEDIUM CVSS 3.1
CVE-2026-82909
QuantumNous new-api Revoked API Token token session expiration
Description

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.

INFO

Published Date :

Aug. 31, 2026, 9:17 p.m.

Last Modified :

Aug. 31, 2026, 9:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-82909 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Quantumnous new-api
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Upgrade QuantumNous new-api to resolve session expiration vulnerability in Revoked API Token Handler.
  • Upgrade QuantumNous new-api to version 1.0.0-rc.17.
  • Apply the provided patch 0d5995eb63f8801d32eb32fbe74b75b68752bfa9.
  • Update the Revoked API Token Handler component.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-82909 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-82909 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-82909 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-82909 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 31, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:N/A:N)
    Added CWE CWE-613
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/82xxx/CVE-2026-82909.json">CVE-2026-82909</a>
    Added Reference https://github.com/QuantumNous/new-api/
    Added Reference https://github.com/QuantumNous/new-api/commit/0d5995eb63f8801d32eb32fbe74b75b68752bfa9
    Added Reference https://github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.17
    Added Reference https://github.com/yaowenxiao721/Poc/blob/main/New-API/new-api-poc1.md
    Added Reference https://vuldb.com/cve/CVE-2026-82909
    Added Reference https://vuldb.com/submit/877769
    Added Reference https://vuldb.com/vuln/397289
    Added Reference https://vuldb.com/vuln/397289/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.