CVE-2026-95653

Description

Concrete CMS Community Store before 2.7.8 derives digital product download tokens from order creation timestamps instead of random values, making tokens predictable. Unauthenticated attackers can enumerate sequential order and file identifiers to calculate valid download tokens and retrieve digital goods purchased by other customers.

Overview

State: PUBLISHED
Assigner (CNA): VulnCheck
CVSS severity: HIGH
CVSS score: 8.7 / 10
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Effective score: 8.7 / 10 HIGH source: CNA overview
CWE(s): CWE-340
Reserved: 2026-09-22
Published: 2026-09-22 15:24 UTC
Last updated: 2026-09-22 15:24 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/95xxx/CVE-2026-95653.json
Linked Threat: CVE-2026-95653 — Concrete CMS Community Store before 2.7.8 Predictable Digital Download Token

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: 2026-09-22 16:18:18 UTC
NVD last modified: 2026-09-22 20:55:25 UTC
NVD CVSS v3.1: 7.5 / 10 HIGH source: disclosure@vulncheck.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability subscore: 3.9 / 10
Impact subscore: 3.6 / 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-2026-84524
Assigner: VulnCheck
Published: Sep 22, 2026, 3:24:11 PM
Updated: Sep 22, 2026, 3:24:11 PM
EUVD base score (CVSS 4.0): 8.7 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EUVD-reported EPSS: 0.0000
Vendors: concretecms-community-store
Products: community_store (0 <2.7.8)
Aliases: GHSA-4m3m-829w-5q37

ENISA description: Concrete CMS Community Store before 2.7.8 derives digital product download tokens from order creation timestamps instead of random values, making tokens predictable. Unauthenticated attackers can enumerate sequential order and file identifiers to calculate valid download tokens and retrieve digital goods purchased by other customers.

EUVD references (6)

Affected products (1)

Vendor	Product	Versions	Platforms
concretecms-community-store	community_store	`0` (affected), `2.7.8` (unaffected)	—

Vendor references (6)

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

Patch Commit patch
https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L17 technical-description
https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L45 technical-description
community_store v2.7.8 Release Notes release-notes
https://github.com/concretecms-community-store/community_store product
VulnCheck Advisory: Concrete CMS Community Store before 2.7.8 Predictable Digital Download Token third-party-advisory

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 (6)

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://github.com/concretecms-community-store/community_store disclosure@vulncheck.com
https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L17 disclosure@vulncheck.com
https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L45 disclosure@vulncheck.com
https://github.com/concretecms-community-store/community_store/commit/a71138db250d5c207e49fe3f1287241f04e3f747 disclosure@vulncheck.com
https://github.com/concretecms-community-store/community_store/releases/tag/v2.7.8 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/concrete-cms-community-store-before-2.7.8-predictable-digital-download-token disclosure@vulncheck.com

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Microsoft Defender Patch Bypass: High Severity Zero-Day Privilege ...

web:arcticwolf.com

Validate Group Policy and registry settings for Defender to ensure real-time protection, automatic remediation , and exclusion policies are secured. Temporary Workarounds Block Vulnerable Apps: Use Microsoft Defender Vulnerability Management to block or warn against execution of affected binaries for systems pending a patch .

2026-09-23 15:13 UTC
Defender Zero-Day CVE-2026-50656 Under Active Exploit, No Patch

web:dailysecurityreview.com

Microsoft confirmed CVE - 2026 -50656, a zero-day in the Defender Malware Protection Engine allowing SYSTEM-level privilege escalation, is under active exploitation with no patch currently available.

2026-09-23 15:13 UTC
Security Update Guide - Microsoft

web:msrc.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.

2026-09-23 15:13 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 ...

2026-09-23 15:13 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.

2026-09-23 15:13 UTC
CVE-2026-50656 ShieldBreak Claims Defender Fix Bypass — Megathread

web:windowsforum.com

ShieldBreak, a newly published proof of concept from the researcher known as Nightmare Eclipse, claims to bypass Microsoft's July fix for the Microsoft Defender privilege-escalation flaw CVE - 2026 -50656, better known as RoguePlanet.

2026-09-23 15:13 UTC
DSA-2026-353: Security Update for Cloud Disaster Recovery ...

web:www.dell.com

Cloud Disaster Recovery remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

2026-09-23 15:13 UTC
New security updates for Exchange Server (September 2026)

web:www.frankysweb.de

Microsoft has released new security updates for Exchange Server (September 2026 ). Nine vulnerabilities are addressed.

2026-09-23 15:13 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.

2026-09-23 15:13 UTC
CISA KEV September 16, 2026: Three CVE Patch Analysis

web:www.secpod.com

Patch Timeline & Exploitation Gap Analysis The September 16, 2026 dataset contains three CISA KEV vulnerabilities. Each record was added to the catalog on September 16, 2026 and assigned a remediation deadline of September 19, 2026 . Consequently, all three vulnerabilities have an identical three-calendar-day KEV inclusion-to- remediation window.

2026-09-23 15:13 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-95653.json.

{
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    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:composer/concretecms-community-store/community_store",
          "product": "community_store",
          "vendor": "concretecms-community-store",
          "versions": [
            {
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
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            }
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      "cpeApplicability": [
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          "type": "finder",
          "value": "Prince Edem Fiagbedzi"
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      "datePublic": "2026-09-07T00:00:00.000Z",
      "descriptions": [
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        }
      ],
      "metrics": [
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            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
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            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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            "userInteraction": "NONE",
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            "version": "3.1"
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      "providerMetadata": {
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        },
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        },
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          "tags": [
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        },
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          "url": "https://github.com/concretecms-community-store/community_store"
        },
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          ],
          "url": "https://www.vulncheck.com/advisories/concrete-cms-community-store-before-2.7.8-predictable-digital-download-token"
        }
      ],
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    "datePublished": "2026-09-22T15:24:11.860Z",
    "dateReserved": "2026-09-22T12:28:52.741Z",
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    "state": "PUBLISHED"
  },
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