QuantumNous new-api up to 1.0.0-rc.15 Revoked API Token /api/usage/token/ session expiration

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k1.59+

Summaryinfo

A vulnerability marked as problematic has been reported in QuantumNous new-api up to 1.0.0-rc.15. This affects an unknown part of the file /api/usage/token/ of the component Revoked API Token Handler. The manipulation leads to session expiration. This vulnerability is traded as CVE-2026-82909. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in QuantumNous new-api up to 1.0.0-rc.15. This issue affects an unknown code of the file /api/usage/token/ of the component Revoked API Token Handler. The manipulation with an unknown input leads to a session expiration vulnerability. Using CWE to declare the problem leads to CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." Impacted is confidentiality.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-82909. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 1.0.0-rc.17 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 0d5995eb63f8801d32eb32fbe74b75b68752bfa9 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: new-api 1.0.0-rc.17
Patch: 0d5995eb63f8801d32eb32fbe74b75b68752bfa9

Timelineinfo

08/31/2026 Advisory disclosed
08/31/2026 +0 days VulDB entry created
08/31/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-82909 (🔒)
GCVE (CVE): GCVE-0-2026-82909
GCVE (VulDB): GCVE-100-397289
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/31/2026 12:16
Changes: 08/31/2026 12:16 (61)
Complete: 🔍
Submitter: yaowenxiao
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #877769: QuantumNous new-api v1.0.0-rc.15 Insufficient Session Expiration (by yaowenxiao)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!