A security flaw has been discovered in kvcache-ai mooncake up to 0.3.12/0.3.13.post1/0.3.14-rc1. This issue affects the function ScopedSegmentAccess::MountSegment of the file segment.cpp of the component MountSegment Request Processing. Performing a manipulation results in improper access controls. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
kvcache-ai mooncake affected
Version Status Constraints
0.3.0 affected —
0.3.1 affected —
0.3.2 affected —
0.3.3 affected —
0.3.4 affected —
0.3.5 affected —
0.3.6 affected —
0.3.7 affected —
0.3.8 affected —
0.3.9 affected —
0.3.10 affected —
0.3.11 affected —
0.3.12 affected —
0.3.13.post1 affected —
0.3.14-rc1 affected —

No data.

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Project Subscriptions

Vendors Products
Kvcache-ai Subscribe
Mooncake Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://gist.github.com/yyymk/fea24846dc31042cb472d7bd496a8438 cve-icon
https://vuldb.com/cve/CVE-2026-96763 cve-icon
https://vuldb.com/submit/904605 cve-icon
https://vuldb.com/vuln/409018 cve-icon
https://vuldb.com/vuln/409018/cti cve-icon
History

Thu, 24 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in kvcache-ai mooncake up to 0.3.12/0.3.13.post1/0.3.14-rc1. This issue affects the function ScopedSegmentAccess::MountSegment of the file segment.cpp of the component MountSegment Request Processing. Performing a manipulation results in improper access controls. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Title kvcache-ai mooncake MountSegment Request Processing segment.cpp access control
First Time appeared Kvcache-ai
Kvcache-ai mooncake
Weaknesses CWE-266
CWE-284
CPEs cpe:2.3:a:kvcache-ai:mooncake:*:*:*:*:*:*:*:*
Vendors & Products Kvcache-ai
Kvcache-ai mooncake
References
Metrics cvssV2_0

{'score': 6.4, 'vector': 'AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-24T00:00:16.519Z

Reserved: 2026-09-23T16:01:21.340Z

Link: CVE-2026-96763

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses