CVE-2026-82909

MEDIUMPre-NVD 4.34.3
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-08-31. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
35(Track)
EG Risk 35/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
14%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 2, 2026

Advisory Details (4)

Auto-updated Aug 31, 2026
Patch available. Sources: github_commit, github_release.
generic

GitHub - QuantumNous/new-api: A unified AI model hub for aggregation & distribution. It supports cross-converting various LLMs into OpenAI-compatible, Claude-compatible, or Gemini-compatible formats. A centralized gateway for personal and enterprise model management. · GitHub

https://github.com/QuantumNous/new-api/
github_release Patch Available

v1.0.0-rc.17

Patch available: QuantumNous/new-api v1.0.0-rc.17

https://github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.17
github_commit

commit 0d5995eb63f8 (QuantumNous/new-api)

Fix landed in QuantumNous/new-api commit 0d5995eb63f8 — awaiting tagged release

https://github.com/QuantumNous/new-api/commit/0d5995eb63f8801d32eb32fbe74b75b68752bfa9
generic

Poc/New-API/new-api-poc1.md at main · yaowenxiao721/Poc · GitHub

https://github.com/yaowenxiao721/Poc/blob/main/New-API/new-api-poc1.md

Vendor Advisories for CVE-2026-82909(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 55× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 06:37 UTCEG score recompute
  2. 2026-09-19 06:37 UTCGHSA enrichment
  3. 2026-09-18 19:28 UTCEPSS rescore
  4. 2026-09-18 05:56 UTCEG score recompute
  5. 2026-09-18 05:56 UTCGHSA enrichment
  6. 2026-09-17 05:13 UTCEG score recompute
  7. 2026-09-17 05:13 UTCGHSA enrichment
  8. 2026-09-16 14:08 UTCEPSS rescore
  9. 2026-09-16 05:15 UTCEPSS rescore
  10. 2026-09-16 04:31 UTCGHSA enrichment
  11. 2026-09-15 03:42 UTCEG score recompute
  12. 2026-09-15 03:42 UTCGHSA enrichment
  13. 2026-09-15 03:12 UTCEPSS rescore
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-14 03:00 UTCEG score recompute
  16. 2026-09-14 03:00 UTCGHSA enrichment
  17. 2026-09-13 02:18 UTCEG score recompute
  18. 2026-09-13 02:17 UTCGHSA enrichment
  19. 2026-09-12 01:36 UTCEG score recompute
  20. 2026-09-12 01:36 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-11 14:53 UTCEPSS rescore
  23. 2026-09-11 00:54 UTCEG score recompute
  24. 2026-09-11 00:54 UTCGHSA enrichment
  25. 2026-09-10 00:12 UTCGHSA enrichment
Show 30 more
  1. 2026-09-08 23:29 UTCEG score recompute
  2. 2026-09-08 23:29 UTCGHSA enrichment
  3. 2026-09-08 22:01 UTCEPSS rescore
  4. 2026-09-07 19:06 UTCEG score recompute
  5. 2026-09-07 19:06 UTCGHSA enrichment
  6. 2026-09-06 18:25 UTCEG score recompute
  7. 2026-09-06 18:25 UTCGHSA enrichment
  8. 2026-09-06 13:48 UTCEPSS rescore
  9. 2026-09-05 17:43 UTCEG score recompute
  10. 2026-09-05 17:43 UTCGHSA enrichment
  11. 2026-09-05 15:31 UTCEPSS rescore
  12. 2026-09-04 17:00 UTCEG score recompute
  13. 2026-09-04 17:00 UTCGHSA enrichment
  14. 2026-09-04 05:07 UTCEPSS rescore
  15. 2026-09-03 16:18 UTCEG score recompute
  16. 2026-09-03 16:18 UTCGHSA enrichment
  17. 2026-09-02 15:34 UTCEG score recompute
  18. 2026-09-02 15:34 UTCGHSA enrichment
  19. 2026-09-02 15:29 UTCNVD updateCVSS v4 → 2.1
  20. 2026-09-02 14:31 UTCEG score recompute
  21. 2026-09-02 14:31 UTCGHSA enrichment
  22. 2026-09-02 14:26 UTCMITRE cvelistV5CVSS v4 → 5.3
  23. 2026-09-02 14:12 UTCEPSS rescore
  24. 2026-09-01 21:02 UTCEG score recompute
  25. 2026-09-01 21:02 UTCGHSA enrichment
  26. 2026-09-01 13:54 UTCEPSS rescore
  27. 2026-08-31 21:22 UTCEG score recompute
  28. 2026-08-31 21:21 UTCNVD updateCVSS v4 → 2.1
  29. 2026-08-31 20:40 UTCEG score recompute
  30. 2026-08-31 20:39 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82909?
CVE-2026-82909 is a medium vulnerability published on August 31, 2026. 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.…
When was CVE-2026-82909 disclosed?
CVE-2026-82909 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82909 actively exploited?
CVE-2026-82909 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 86.3% of all scored CVEs.
What is the CVSS score of CVE-2026-82909?
CVE-2026-82909 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-82909?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82909, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-82909

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