CVE-2026-96763

MEDIUM 5.4

kvcache-ai mooncake MountSegment Request Processing segment.cpp access control

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-284 CWE-266
Vendor	kvcache-ai
Product	mooncake
Published	Sep 24, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

kvcache-ai / mooncake

0.3.0 0.3.1 0.3.2 0.3.3 0.3.4 0.3.5 0.3.6 0.3.7 0.3.8 0.3.9 0.3.10 0.3.11 0.3.12 0.3.13.post1 0.3.14-rc1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 YYYMK (VulDB User) VulDB CNA Team