Rentsyst vulnerability

Missing Authorization vulnerability in DimaFreund Rentsyst rentsyst allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Rentsyst: from n/a through 2.1.5.

Published 2 Sep 2026Updated 23 Sep 20261 sources
CVSS 5.3

What happened

Missing Authorization vulnerability in DimaFreund Rentsyst rentsyst allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Rentsyst: from n/a through 2.1.5.

Affected versions

Rentsyst: 0 through 2.1.5 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.