QTS, QuTS hero
Summary
| CVE | CVE-2026-41539 |
|---|---|
| State | PUBLISHED |
| Assigner | qnap |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-09 06:16:53 UTC |
| Updated | 2026-06-12 15:37:43 UTC |
| Description | 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 |
Risk And Classification
Primary CVSS: v4.0 8.7 HIGH from [email protected]
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: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: 0.000730000 probability, percentile 0.225170000 (date 2026-06-13)
Problem Types: CWE-79 | CWE-79 CWE-79
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 8.7 | HIGH | 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:X/C... |
| 4.0 | CNA | CVSS | 8.7 | HIGH | 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 |
| 3.1 | [email protected] | Primary | 6.1 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
PassiveConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS: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: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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
ChangedConfidentiality
LowIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Qnap | Qts | 5.2.0.2737 | build_20240417 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2744 | build_20240424 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2782 | build_20240601 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2802 | build_20240620 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2823 | build_20240711 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2851 | build_20240808 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2860 | build_20240817 | All | All |
| Operating System | Qnap | Qts | 5.2.1.2930 | build_20241025 | All | All |
| Operating System | Qnap | Qts | 5.2.2.2950 | build_20241114 | All | All |
| Operating System | Qnap | Qts | 5.2.3.3006 | build_20250108 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3070 | build_20250312 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3079 | build_20250321 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3092 | build_20250403 | All | All |
| Operating System | Qnap | Qts | 5.2.5.3145 | build_20250526 | All | All |
| Operating System | Qnap | Qts | 5.2.6.3195 | build_20250715 | All | All |
| Operating System | Qnap | Qts | 5.2.6.3229 | build_20250818 | All | All |
| Operating System | Qnap | Qts | 5.2.7.3256 | build_20250913 | All | All |
| Operating System | Qnap | Qts | 5.2.7.3297 | build_20251024 | All | All |
| Operating System | Qnap | Qts | 5.2.8.3332 | build_20251128 | All | All |
| Operating System | Qnap | Qts | 5.2.8.3350 | build_20251216 | All | All |
| Operating System | Qnap | Qts | 5.2.8.3359 | build_20251225 | All | All |
| Operating System | Qnap | Qts | 5.2.9.3410 | build_20260214 | All | All |
| Operating System | Qnap | Qts | 5.2.9.3451 | build_20260327 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2737 | build_20240417 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2782 | build_20240601 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2789 | build_20240607 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2802 | build_20240620 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2823 | build_20240711 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2851 | build_20240808 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2860 | build_20240817 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.1.2929 | build_20241025 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.1.2940 | build_20241105 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.2.2952 | build_20241116 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.3.3006 | build_20250108 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.4.3070 | build_20250312 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.4.3079 | build_20250321 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.5.3138 | build_20250519 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.6.3195 | build_20250715 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.7.3256 | build_20250913 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.7.3297 | build_20251024 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.8.3321 | build_20251117 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.8.3350 | build_20251216 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.8.3359 | build_20251225 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.9.3410 | build_20260214 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.9.3492 | build_20260507 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.0.3115 | build_20250430 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.0.3145 | build_20250530 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.0.3192 | build_20250716 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.1.3250 | build_20250912 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.1.3292 | build_20251024 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.2.3354 | build_20251225 | All | All |
| Operating System | Qnap | Quts Hero | h5.3.3.3424 | build_20260305 | All | All |
| Operating System | Qnap | Quts Hero | h6.0.0.3324 | build_20251125 | All | All |
| Operating System | Qnap | Quts Hero | h6.0.0.3382 | build_20260122 | All | All |
| Operating System | Qnap | Quts Hero | h6.0.0.3397 | build_20260206 | All | All |
| Operating System | Qnap | Quts Hero | h6.0.0.3459 | build_20260409 | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | QNAP Systems Inc. | QTS | affected 5.2.0 5.2.9.3492 build 20260507 custom | Not specified |
| CNA | QNAP Systems Inc. | QuTS Hero | affected h5.2.0 h5.2.9.3499 build 20260514 custom | Not specified |
| CNA | QNAP Systems Inc. | QuTS Hero | affected h5.3.0 h5.3.4.3500 build 20260520 custom | Not specified |
| CNA | QNAP Systems Inc. | QuTS Hero | affected ? h6.0.0.3500 build 20260520 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.qnap.com/en/security-advisory/qsa-26-31 | [email protected] | www.qnap.com | Broken Link |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: 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
There are currently no legacy QID mappings associated with this CVE.