Auth bypass in Kvcache-Ai Mooncake
CVE-2026-96762
A vulnerability was determined in kvcache-ai mooncake up to 0.3.12/0.3.13.post1. This affects the function UnmountSegment of the component RPC Path Handler. This manipulation of the argument client_id/segment_id causes authorization bypass. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Kvcache-Ai Mooncake — versions 0.3.0, 0.3.1, 0.3.10
Weakness classification (CWE)
References
- vuldb.com/vuln/409016 (technical-description, vdb-entry)
- vuldb.com/vuln/409016/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-96762 (third-party-advisory)
- vuldb.com/submit/904600 (third-party-advisory)
- gist.github.com/yyymk/76d099537af0e661dd01eacc82b9a7ea (exploit)
Frequently asked questions
- What is CVE-2026-96762?
- CVE-2026-96762 is a high-severity vulnerability in Kvcache-Ai Mooncake, classified under Improper Authorization. CVSS score: 7.3/10. Published 2026-09-24.
- How severe is CVE-2026-96762?
- High severity. CVSS v3 base score is 7.3 out of 10.