CVE-2026-95653 json
Concrete CMS Community Store before 2.7.8 Predictable Digital Download Token
published 2026-09-22 47 d ago modified 2026-09-26 44 d ago also EUVD-2026-84524
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- concretecms-community-store community_store 2.7.8
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 44 d ago
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | 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 |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 8.7 | 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/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 |
Affected products
- concretecms-community-store community_store
Classification
- Weakness
-
- CWE-340 Generation of Predictable Numbers or Identifiers
References
-
github.com
/concretecms-community-store/community_store/commit/a71138db250d5c207e49fe3f1287241f04e3f747
patch
-
github.com
/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L17
technical-description
-
github.com
/concretecms-community-store/community_store/blob/v2.7.7/src/CommunityStore/Utilities/Download.php#L45
technical-description
-
github.com
/concretecms-community-store/community_store/releases/tag/v2.7.8
release-notes
-
github.com
/concretecms-community-store/community_store
product
-
vulncheck.com
/advisories/concrete-cms-community-store-before-2.7.8-predictable-digital-download-token
third-party-advisory
Sources
- CVE List CVE-2026-95653
- NVD CVE-2026-95653
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