CVE-2026-22896Stored XSS via Interface Name in Network & Virtual Switch App
- 6.2MediumCVSS base score
- 0.36%Exploitation in 30 daysEPSS · top 70% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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
Timeline
ID reserved
By qnap
- 9 months later
· 9 months later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| qnapCNA (assigner) | 4.0 | Medium6.2 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N |
| NVDNVD · Awaiting Analysis | 4.0 | Medium6.2 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.36% · top 70% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Affected products
QNAP Systems Inc. · Network & Virtual Switch
- affected QTS 5.1.x – < QTS 5.1.8.2823 build 20240712
- affected QTS 5.2.x – < QTS 5.2.1.2930 build 20241025
- affected QuTS cloud c5.2.x – < QuTS cloud c5.2.4.3041 build 20250211
- affected QuTS hero h5.1.x – < QuTS hero h5.1.8.2823 build 20240712
- affected QuTS hero h5.2.x – < QuTS hero h5.2.1.2929 build 20241025
What to do
Solution: 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
References
References5
- https://www.qnap.com/en/release-notes/qts/5.1.8.2823/20240712 (opens in a new tab)release-notes
- https://www.qnap.com/en/release-notes/qts/5.2.1.2930/20241025 (opens in a new tab)release-notes
- https://www.qnap.com/en/release-notes/qutscloud/c5.2.4.3041/20250211 (opens in a new tab)release-notes
- https://www.qnap.com/en/release-notes/quts_hero/h5.1.8.2823/20240712 (opens in a new tab)release-notes
- https://www.qnap.com/en/release-notes/quts_hero/h5.2.1.2929/20241025 (opens in a new tab)release-notes
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-101872 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-22896)Record last updated .