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Medium severity6.1NVD Advisory· Published Jun 9, 2026· Updated Jun 12, 2026

CVE-2026-41539

CVE-2026-41539

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

Affected products

58
  • Qnap/Qts24 versions
    cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:*+ 23 more
    • cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.3.3006:build_20250108:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.4.3070:build_20250312:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.4.3079:build_20250321:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.4.3092:build_20250403:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.5.3145:build_20250526:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.6.3195:build_20250715:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.6.3229:build_20250818:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.7.3256:build_20250913:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.7.3297:build_20251024:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.8.3332:build_20251128:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.8.3350:build_20251216:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.8.3359:build_20251225:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.9.3410:build_20260214:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.2.9.3451:build_20260327:*:*:*:*:*:*
    • (no CPE)range: < 5.2.9.3492 build 20260507
  • Qnap/Quts Hero34 versions
    cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:*+ 33 more
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.3.3006:build_20250108:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.4.3070:build_20250312:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.4.3079:build_20250321:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.5.3138:build_20250519:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.6.3195:build_20250715:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.7.3256:build_20250913:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.7.3297:build_20251024:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.8.3321:build_20251117:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.8.3350:build_20251216:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.8.3359:build_20251225:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.9.3410:build_20260214:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.2.9.3492:build_20260507:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.1.3250:build_20250912:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.1.3292:build_20251024:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.2.3354:build_20251225:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.3.3.3424:build_20260305:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h6.0.0.3324:build_20251125:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h6.0.0.3382:build_20260122:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h6.0.0.3397:build_20260206:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h6.0.0.3459:build_20260409:*:*:*:*:*:*
    • (no CPE)range: < h5.2.9.3499 build 20260514

Patches

Vulnerability mechanics

References

1

News mentions

3