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CVE-2026-96762: Authorization Bypass in kvcache-ai mooncake

0
Medium
VulnerabilityCVE-2026-96762cvecve-2026-96762
Published: 09/23/2026 (09/23/2026, 23:45:14 UTC)
Source: CVE Database V5
Vendor/Project: kvcache-ai
Product: mooncake

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.

CVSS v4.0

Score 6.9medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

kvcache-ai

mooncake

Affected versions
=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
kvcache-ai/mooncake
pkg:pypi/kvcache-ai/mooncake
Affected versions
=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
CPE configurations
cpe:2.3:a:kvcache-ai:mooncake:*:*:*:*:*:*:*:*

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/24/2026, 00:02:51 UTC

Technical Analysis

The vulnerability CVE-2026-96762 affects kvcache-ai mooncake versions 0.3.0 through 0.3.13.post1. It involves an authorization bypass in the UnmountSegment function of the RPC Path Handler component. By manipulating the client_id or segment_id arguments, an attacker can bypass authorization controls remotely without any privileges or user interaction. The vulnerability has been publicly disclosed, but no patch or vendor response is currently available.

Potential Impact

An attacker can remotely bypass authorization controls in the affected versions of kvcache-ai mooncake, potentially allowing unauthorized access or actions related to segment unmounting. This could lead to unauthorized resource manipulation or disruption of service. The vulnerability does not require privileges or user interaction to exploit.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded and no patch links are available, users should monitor official channels for updates. Until a fix is available, consider restricting network access to the affected service and applying compensating controls to limit exposure to untrusted networks.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-09-23T16:01:17.341Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ab4653ef7a7c541067c60ad

Added to database: 09/23/2026, 23:48:14 UTC

Last enriched: 09/24/2026, 00:02:51 UTC

Last updated: 09/24/2026, 01:57:02 UTC

Views: 7

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