CVE-2026-114621 baserproject CVE debrief

Who should care

Administrators and users of baserCMS versions 5.0.0 before 5.3.2 and 5.4.0 before 5.4.2 should assess their exposure and take remediation steps. This includes reviewing system logs for suspicious activity, restricting admin panel access to trusted users, and monitoring admin API activity for potential exploits.

Why it matters

This SQL injection vulnerability in baserCMS allows authenticated admin users to execute arbitrary SQL queries, potentially leading to sensitive data exposure or privilege escalation.

• Potential sensitive data exposure
• Arbitrary SQL query execution by authenticated admin users
• Possible privilege escalation or data tampering

Technical summary

The vulnerability exists in the admin panel and admin API of baserCMS, allowing an authenticated admin user to execute arbitrary SQL queries by embedding SQL fragments in request query parameters. This issue has been patched in versions 5.3.2 and 5.4.2. The vulnerability allows an attacker to read password hashes from the users table. Setting USE_CORE_ADMIN_API to false does not prevent access through an authenticated browser session. The CVE record and source item provide details on the vulnerability, affected versions, and patched versions.

Defensive priority

High

Recommended defensive actions

• Upgrade to version 5.3.2 or 5.4.2
• Restrict admin panel access to trusted users
• Monitor admin API activity for suspicious queries
• 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
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, affected versions, and patched versions. However, there is limited information on potential exploits or victim impact. The vulnerability exists in the admin panel and admin API of baserCMS, allowing an authenticated admin user to execute arbitrary SQL queries by embedding SQL fragments in request query parameters. There are no reports of this vulnerability being exploited in the wild, but defenders should verify their exposure and take remediation steps.

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.