Path Traversal in QNAP Qts
CVE-2026-24717
A path traversal vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system 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 h6.0.0.3459 build 20260409 and later
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- QNAP Qts
- QNAP Quts Hero
- QNAP Systems Inc. Qts — versions 5.2.0
- QNAP Systems Inc. Quts Hero — versions h5.2.0, h5.3.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-24717?
- CVE-2026-24717 is a medium-severity vulnerability in QNAP Qts, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-06-10.
- How severe is CVE-2026-24717?
- Medium severity. CVSS v3 base score is 6.5 out of 10.