Vulnerability in Quantumnous New-Api
CVE-2026-82909
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Quantumnous New-Api — versions 1.0.0-rc.0, 1.0.0-rc.1, 1.0.0-rc.10
Weakness classification (CWE)
References
- vuldb.com/vuln/397289 (vdb-entry)
- vuldb.com/vuln/397289/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82909 (third-party-advisory)
- vuldb.com/submit/877769 (third-party-advisory)
- github.com/yaowenxiao721/Poc/blob/main/New-API/new-api-poc1.md (exploit)
- github.com/QuantumNous/new-api/commit/0d5995eb63f8801d32eb32fbe74b75b68752bfa9 (patch)
- github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.17 (patch)
- github.com/QuantumNous/new-api/ (product)
Frequently asked questions
- What is CVE-2026-82909?
- CVE-2026-82909 is a medium-severity vulnerability in Quantumnous New-Api, classified under Insufficient Session Expiration. CVSS score: 4.3/10. Published 2026-08-31.
- How severe is CVE-2026-82909?
- Medium severity. CVSS v3 base score is 4.3 out of 10.