8.7
HIGH CVSS 4.0
CVE-2026-95653
Concrete CMS Community Store before 2.7.8 Predictable Digital Download Token
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.

INFO

Published Date :

Sept. 22, 2026, 4:18 p.m.

Last Modified :

Sept. 22, 2026, 4:18 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-95653 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Update Community Store to 2.7.8 or later to fix predictable download token generation.
  • Update Concrete CMS Community Store to version 2.7.8 or newer.
  • Verify digital product download token generation is properly randomized.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-95653 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-95653 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-95653 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-95653 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Sep. 22, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-340
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/95xxx/CVE-2026-95653.json">CVE-2026-95653</a>
    Added Reference https://github.com/concretecms-community-store/community_store
    Added Reference https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L17
    Added Reference https://github.com/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L45
    Added Reference https://github.com/concretecms-community-store/community_store/commit/a71138db250d5c207e49fe3f1287241f04e3f747
    Added Reference https://github.com/concretecms-community-store/community_store/releases/tag/v2.7.8
    Added Reference https://www.vulncheck.com/advisories/concrete-cms-community-store-before-2.7.8-predictable-digital-download-token
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.