CVE-2026-41539QTS, QuTS hero
Updated under an hour ago ()
Does this affect you?
It affects QNAP Systems Inc. QTS and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3492 build 20260507 and later QuTS hero h5.2.9.3499 build 20260514 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3500 build 20260520 and later
- CVSS
- 6.3 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- qnap
- NVD analysis
- Modified
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
QNAP Systems Inc. QTS qnap_systems:qts (from the name) | from 5.2.0 before 5.2.9.3492 build 20260507 | CNA record |
QNAP Systems Inc. QuTS hero qnap_systems:quts_hero (from the name) | from h5.2.0 before h5.2.9.3499 build 20260514; from h5.3.0 before h5.3.4.3500 build 20260520; from ? before h6.0.0.3500 build 20260520 | CNA record |
qnap qts qnap:qts | 5.2.0.2737; 5.2.0.2744; 5.2.0.2782; 5.2.0.2802; 5.2.0.2823; 5.2.0.2851; 5.2.0.2860; 5.2.1.2930; and 15 more ranges | NVD |
qnap quts_hero qnap:quts_hero | h5.2.0.2737; h5.2.0.2782; h5.2.0.2789; h5.2.0.2802; h5.2.0.2823; h5.2.0.2851; h5.2.0.2860; h5.2.1.2929; and 25 more ranges | NVD |
References
- https://www.qnap.com/en/security-advisory/qsa-26-10
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.