Findings

CVE-2026-22896

A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch.

Published Oct 15, 2026 · corrected/updated Oct 15, 2026 · QNAP Systems Inc. Network & Virtual Switch · evidence confidence high

A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 20241025 and later Network & Virtual Switch in QuTS cloud c5.2.4.3041 build 20250211 and later Network & Virtual Switch in QuTS hero h5.1.8.2823 build 20240712 and later Network & Virtual Switch in QuTS hero h5.2.1.2929 build 20241025 and later

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2026-22896 is a medium public vulnerability record for QNAP Systems Inc. Network & Virtual Switch. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether QNAP Systems Inc. Network & Virtual Switch is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: QNAP Systems Inc. Network & Virtual Switch. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 6.2, EPSS 0.4%. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-79. Sources contributing to this record: circl, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2026 · NIST NVD

    Detected

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 2

  2. Oct 15, 2026 · NIST NVD

    Updated

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 2

  3. Oct 15, 2026 · NIST NVD

    Updated

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 2

  4. Oct 15, 2026 · NIST NVD

    Updated

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version: Network & Virtual Switch in QTS 5.1.8.2823 build 20240712 and later Network & Virtual Switch in QTS 5.2.1.2930 build 2

Affected

  • vendor QNAP Systems Inc. Network & Virtual Switchversion unspecified

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-22896

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following version

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-22896

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22896

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-22896

    A cross-site scripting (XSS) vulnerability has been reported to affect Network & Virtual Switch. If a remote attacker gains an administrator account, they can then exploit the vulnerability to inject malicious code. We have already fixed the vulnerability in the following versio

    nvd.nist.gov

References