CVE-2026-96762: kvcache-ai mooncake RPC Path UnmountSegment authorization

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-24 · updated 2026-09-24
Weakness: CWE-285

Description

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.

Affected products

kvcache-ai Mooncake: 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5 (+8)

References

https://gist.github.com/yyymk/76d099537af0e661dd01eacc82b9a7ea
https://vuldb.com/cve/CVE-2026-96762
https://vuldb.com/submit/904600
https://vuldb.com/vuln/409016
https://vuldb.com/vuln/409016/cti

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