CVE-2026-96762

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.

Overview

State: PUBLISHED
Assigner (CNA): VulDB
CVSS severity: MEDIUM
CVSS score: 6.9 / 10
CVSS vector: 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
Effective score: 6.9 / 10 MEDIUM source: CNA overview
CWE(s): CWE-639, CWE-285
Reserved: 2026-09-23
Published: 2026-09-23 23:45 UTC
Last updated: 2026-09-23 23:45 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/96xxx/CVE-2026-96762.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-09-24 00:17:23 UTC
NVD last modified: 2026-09-24 00:17:23 UTC
NVD CVSS v3.1: 7.3 / 10 HIGH source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore: 3.9 / 10
Impact subscore: 3.4 / 10

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-85751
Assigner: VulDB
Published: Sep 23, 2026, 11:45:14 PM
Updated: Sep 23, 2026, 11:45:14 PM
EUVD base score (CVSS 4.0): 6.9 / 10
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
EUVD-reported EPSS: 0.0000
Vendors: kvcache-ai
Products: mooncake (0.3.1)

mooncake (0.3.11)

mooncake (0.3.0)

mooncake (0.3.9)

mooncake (0.3.4)

mooncake (0.3.3)

mooncake (0.3.12)

mooncake (0.3.13.post1)

mooncake (0.3.10)

mooncake (0.3.6)

mooncake (0.3.7)

mooncake (0.3.8)

mooncake (0.3.5)

mooncake (0.3.2)
Aliases: GHSA-5j6m-8f83-35hj

ENISA 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.

EUVD references (5)

Affected products (1)

Vendor	Product	Versions	Platforms
kvcache-ai	mooncake	`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)	—

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

VDB-409016 | kvcache-ai mooncake RPC Path UnmountSegment authorization vdb-entrytechnical-description
VDB-409016 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-required
CVE-2026-96762 | CVE Analysis and Report third-party-advisory
Submit #904600 | kvcache-ai Mooncake >= 0.3.4, <= 0.3.12 Authorization Bypass third-party-advisory
https://gist.github.com/yyymk/76d099537af0e661dd01eacc82b9a7ea exploit

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (5)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

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

Remediations (10)

CVE-2026-69676 - Vulnerability Details - OpenCVE

web:app.opencve.io

Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Install the Microsoft security update released for CVE‑2026‑69676 on all affected Windows 10, 11, and Windows Server machines. Apply any additional cumulative updates that address Kerberos or authentication functions to reinforce the fix .

2026-09-24 11:42 UTC
Security Advisory - Action Required - Active Exploitation of CVE-2026 ...

web:blog.checkpoint.com

CVE - 2026 -93616 is a newly discovered zero-day vulnerability in Security Management, and a fix is available now as part of this advisory. Fixes are available for both vulnerabilities. Customers running affected versions should install the applicable fixes immediately. Affected versions and remediation instructions are detailed below.

2026-09-24 11:42 UTC
Cisco Advance Notification for Publication of September 16, 2026 ...

web:sec.cloudapps.cisco.com

On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

2026-09-24 11:42 UTC
Microsoft Patch Tracker (September 2026): Exploit-Ranked | Senserva

web:senserva.com

Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.

2026-09-24 11:42 UTC
Description of the security update for Office 2016: August 11, 2026 ...

web:support.microsoft.com

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...

2026-09-24 11:42 UTC
SAP Security Patch Day - June 2026

web:support.sap.com

SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.

2026-09-24 11:42 UTC
CVE-2026-69676 - vulnerability database | Vulners.com

web:vulners.com

CVE - 2026 -69676 is an authentication bypass by capture-replay vulnerability in Windows Kerberos that allows an authorized attacker to achieve remote code execution over a network. The underlying mechanism involves replaying captured Kerberos authen...

2026-09-24 11:42 UTC
Patch Tuesday September 2026: CVE Analysis | Automox

web:www.automox.com

September 2026 Patch Tuesday ships a record 973 CVEs , led by two exploited elevation of privilege bugs in the Windows Update Stack and ALPC. Plus unauthenticated RCE in DNS and Remote Desktop Services, a SQL Copilot read-only bypass, and an Outlook Reading Pane RCE.

2026-09-24 11:42 UTC
Oracle Critical Patch Update Advisory - July 2026

web:www.oracle.com

This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

2026-09-24 11:42 UTC
Oracle Critical Security Patch Update Advisory - June 2026

web:www.oracle.com

Additional CVEs addressed are: The patch for CVE - 2026 -34481 also addresses CVE - 2026 -34477, CVE - 2026 -34478, CVE - 2026 -34479, and CVE - 2026 -34480. Oracle Fusion Middleware Risk Matrix This Critical Security Patch Update contains 106 new security patches for Oracle Fusion Middleware. 53 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over a ...

2026-09-24 11:42 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-96762.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:kvcache-ai:mooncake:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "RPC Path Handler"
          ],
          "product": "mooncake",
          "vendor": "kvcache-ai",
          "versions": [
            {
              "status": "affected",
              "version": "0.3.0"
            },
            {
              "status": "affected",
              "version": "0.3.1"
            },
            {
              "status": "affected",
              "version": "0.3.2"
            },
            {
              "status": "affected",
              "version": "0.3.3"
            },
            {
              "status": "affected",
              "version": "0.3.4"
            },
            {
              "status": "affected",
              "version": "0.3.5"
            },
            {
              "status": "affected",
              "version": "0.3.6"
            },
            {
              "status": "affected",
              "version": "0.3.7"
            },
            {
              "status": "affected",
              "version": "0.3.8"
            },
            {
              "status": "affected",
              "version": "0.3.9"
            },
            {
              "status": "affected",
              "version": "0.3.10"
            },
            {
              "status": "affected",
              "version": "0.3.11"
            },
            {
              "status": "affected",
              "version": "0.3.12"
            },
            {
              "status": "affected",
              "version": "0.3.13.post1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "YYYMK (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "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",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 7.5,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "Authorization Bypass",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-285",
              "description": "Improper Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T23:45:14.276Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-409016 | kvcache-ai mooncake RPC Path UnmountSegment authorization",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/409016"
        },
        {
          "name": "VDB-409016 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/409016/cti"
        },
        {
          "name": "CVE-2026-96762 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-96762"
        },
        {
          "name": "Submit #904600 | kvcache-ai Mooncake >= 0.3.4, <= 0.3.12 Authorization Bypass",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/904600"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/yyymk/76d099537af0e661dd01eacc82b9a7ea"
        }
      ],
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          "lang": "en",
          "time": "2026-09-23T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-09-23T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-09-23T18:06:31.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "kvcache-ai mooncake RPC Path UnmountSegment authorization",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-96762",
    "datePublished": "2026-09-23T23:45:14.276Z",
    "dateReserved": "2026-09-23T16:01:17.341Z",
    "dateUpdated": "2026-09-23T23:45:14.276Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}