01 Record
CVE-2026-64859
New API: User List API Leaks Root User Access Token Leading to Privilege Escalation
CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.1 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
02 Description
New API: User List API Leaks Root User Access Token Leading to Privilege Escalation
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.62% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.8% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-18.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-17 15:42Z2 MO AGO
- Last updated
- 2026-08-17 18:56Z2 MO AGO
- Reserved
- 2026-07-20
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.2
- Document digest
- 9a2a1841b35a1e1ce1524302fb4c6d1390144db284b56651d763e69246203950
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/QuantumNous/new-api/security/advisories/GHSA-6x2c-phff-wx57
- github.comhttps://github.com/QuantumNous/new-api/pull/4929
- github.comhttps://github.com/QuantumNous/new-api/commit/0936e2504655a5cbf7bc3c388f6d3e2bb24916d3
- github.comhttps://github.com/QuantumNous/new-api/releases/tag/v1.0.0-rc.7