QNAP TS-453E QVRPro excpostgres Exposed Dangerous Method Remote Code Execution Vulnerability

April 15th, 2026
ZDI-26-292 ZDI-CAN-28327

CVE ID

CVE-2026-22898

CVSS Score

8.8 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

QNAP

Affected Products

TS-453E

Vulnerability Details

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of QNAP TS-453E devices. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the QVRPro Plugin. The issue results from an exposed dangerous method. An attacker can leverage this vulnerability to execute code in the context of the postgres user.

Additional Details

QNAP has issued an update to correct this vulnerability. More details can be found at:
https://www.qnap.com/en-ca/security-advisory/qsa-26-07

Disclosure Timeline

  • 2026-01-22 - Vulnerability reported to vendor
  • 2026-04-15 - Coordinated public release of advisory
  • 2026-04-15 - Advisory Updated

Credit

Daniel FREDERIC from Fuzzinglabs, Julien COHEN-SCALI from Fuzzinglabs, Patrick VENTUZELO from Fuzzinglabs

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