6.2

CVE-2026-22896: qnap systems inc. network & virtual switch Cross-site Scripting

CVSS: 6.2v4.0MediumAwaiting analysis
Published 15-10-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-22896 is a medium (CVSS 6.2) Cross-site Scripting vulnerability in qnap systems inc. network & virtual switch. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.5% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.2/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.36%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-10-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

15-10-202621-10-2026
EPSS score
0.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qnap systems inc.1 product
  • network & virtual switch≥ QTS 5.1.x, < QTS 5.1.8.2823 build 20240712 | ≥ QTS 5.2.x, < QTS 5.2.1.2930 build 20241025 | ≥ QuTS cloud c5.2.x, < QuTS cloud c5.2.4.3041 build 20250211 | ≥ QuTS hero h5.1.x, < QuTS hero h5.1.8.2823 build 20240712 | ≥ QuTS hero h5.2.x, < QuTS hero h5.2.1.2929 build 20241025

1 vendor · 1 product

References

5 links