CVE-2026-96764

Description

A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function MasterService::GetReplicaListByRegex of the component Regular Expression Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. 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: 5.3 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-770, CWE-400
Reserved: 2026-09-23
Published: 2026-09-24 00:15 UTC
Last updated: 2026-09-24 00:15 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/96xxx/CVE-2026-96764.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 01:16:59 UTC
NVD last modified: 2026-09-24 01:16:59 UTC
NVD CVSS v3.1: 4.3 / 10 MEDIUM source: cna@vuldb.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Exploitability subscore: 2.8 / 10
Impact subscore: 1.4 / 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-2026-85753
Assigner: VulDB
Published: Sep 24, 2026, 12:15:12 AM
Updated: Sep 24, 2026, 12:15:12 AM
EUVD base score (CVSS 4.0): 5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EUVD-reported EPSS: 0.0000
Vendors: kvcache-ai
Products: mooncake (0.3.14-rc1)

mooncake (0.3.2)

mooncake (0.3.11)

mooncake (0.3.0)

mooncake (0.3.5)

mooncake (0.3.3)

mooncake (0.3.12)

mooncake (0.3.6)

mooncake (0.3.4)

mooncake (0.3.8)

mooncake (0.3.9)

mooncake (0.3.1)

mooncake (0.3.7)

mooncake (0.3.10)
Aliases: GHSA-gqr3-xc87-48w2

ENISA description: A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function MasterService::GetReplicaListByRegex of the component Regular Expression Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. 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), `0.3.14-rc1` (affected)	—

Vendor references (5)

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

VDB-409019 | kvcache-ai mooncake Regular Expression GetReplicaListByRegex allocation of resources vdb-entrytechnical-description
VDB-409019 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
CVE-2026-96764 | CVE Analysis and Report third-party-advisory
Submit #904607 | kvcache-ai mooncake >= 0.3.4, <= 0.3.12 Denial of Service third-party-advisory
https://gist.github.com/yyymk/4699cc95ab9a559ee15a0fb798bd6c5d 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/4699cc95ab9a559ee15a0fb798bd6c5d cna@vuldb.com
https://vuldb.com/cve/CVE-2026-96764 cna@vuldb.com
https://vuldb.com/submit/904607 cna@vuldb.com
https://vuldb.com/vuln/409019 cna@vuldb.com
https://vuldb.com/vuln/409019/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
September 2026 Patch Breaks RDS: Fix Without Rolling Back

web:byteiota.com

That's not all. September's Patch Tuesday also fixed two zero-days under active exploitation: CVE - 2026 -85880, a heap buffer overflow in Windows ALPC that allows local privilege escalation to SYSTEM, and CVE - 2026 -81963, a link-following flaw in the Windows Update Stack. Rolling back removes those fixes too.

2026-09-24 11:42 UTC
Security Update Guide - Microsoft

web:msrc-ppe.microsoft.com

The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

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
August 2026 CVE Advisory Notification - Security

web:support.servicenow.com

Due to additional analysis provided by the security researcher who discovered CVE - 2026 -6876, we have upgraded the severity rating of CVE - 2026 -6876 from High to Critical. This change affects only the severity

2026-09-24 11:42 UTC
CVE-2026-69764 - vulnerability database | Vulners.com

web:vulners.com

Heap-based buffer overflow in Microsoft Word allows remote code execution by unauthorized attacker.

2026-09-24 11:42 UTC
Critical Patches Issued for Microsoft Products, July 14, 2026

web:www.cisecurity.org

Microsoft reports CVE - 2026 -56164 has been exploited in the wild. CVE - 2026 -56164 may allow remote cyber threat actors to gain unauthorized access to on-premises SharePoint Server instances. Microsoft noted that integrating its Antimalware Scan Interface (AMSI) can provide temporary mitigation by actively scanning and detecting malicious POST requests associated with exploitation attempts. The ...

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

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-96764.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:kvcache-ai:mooncake:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Regular Expression 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": "0.3.14-rc1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "YYYMK (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A weakness has been identified in kvcache-ai mooncake up to 0.3.12/0.3.14-rc1. Impacted is the function MasterService::GetReplicaListByRegex of the component Regular Expression Handler. Executing a manipulation can lead to allocation of resources. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4,
            "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "Allocation of Resources",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "Resource Consumption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-24T00:15:12.968Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-409019 | kvcache-ai mooncake Regular Expression GetReplicaListByRegex allocation of resources",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/409019"
        },
        {
          "name": "VDB-409019 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/409019/cti"
        },
        {
          "name": "CVE-2026-96764 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-96764"
        },
        {
          "name": "Submit #904607 | kvcache-ai mooncake >= 0.3.4, <= 0.3.12 Denial of Service",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/904607"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://gist.github.com/yyymk/4699cc95ab9a559ee15a0fb798bd6c5d"
        }
      ],
      "timeline": [
        {
          "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": "2026-09-23T18:06:38.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "kvcache-ai mooncake Regular Expression GetReplicaListByRegex allocation of resources",
      "x_generator": [
        "VulDB PVTS v202609"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-96764",
    "datePublished": "2026-09-24T00:15:12.968Z",
    "dateReserved": "2026-09-23T16:01:24.847Z",
    "dateUpdated": "2026-09-24T00:15:12.968Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}