Advisory Details

April 15th, 2026

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

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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