CVE-2026-95653 concretecms-community-store CVE debrief

Who should care

Defenders and administrators of Concrete CMS Community Store should assess exposure and upgrade to version 2.7.8 or later. Security teams and vulnerability management teams should review the vulnerability and its potential impact on their systems. Operators and platform administrators should verify if affected product deployments exist in their environments and plan for remediation. Security teams should review compensating controls for exposed systems and

Why it matters

CVE-2026-95653 allows attackers to predict digital product download tokens, enabling unauthorized access to digital goods.

• Unauthenticated attackers can enumerate sequential order and file identifiers to calculate valid download tokens
• Retrieve digital goods purchased by other customers

Technical summary

Concrete CMS Community Store before 2.7.8 derives digital product download tokens from order creation timestamps, making tokens predictable. This allows unauthenticated attackers to enumerate sequential order and file identifiers to calculate valid download tokens and retrieve digital goods purchased by other customers. The vulnerability is in the digital product download token generation process, which does not use random values, making it predictable. Defenders should prioritize verifying exposure and upgrading to version 2.7.8 or later.

Defensive priority

Defenders should prioritize verifying exposure and upgrading to version 2.7.8 or later.

Recommended defensive actions

• Verify if Concrete CMS Community Store version is before 2.7.8
• Upgrade to version 2.7.8 or later
• Review digital product download token generation and usage
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE record and NVD entry provide details on the predictable digital product download token issue in Concrete CMS Community Store before 2.7.8. Evidence is limited to public sources and may not be comprehensive. Defenders should verify exposure and review digital product download token generation and usage. The issue allows attackers to predict digital product download tokens, enabling unauthorized access to digital goods.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.