CVE-2026-41541 json
Symlink creation in qsyncsrv.cgi
published 2026-10-15 24 d ago modified 2026-10-15 24 d ago also EUVD-2026-101978
- cvss
- 5.3
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
An unix symbolic link (symlink) following vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system.
We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.7 and later Qsync Central 5.1.0.3 and later Qsync Central 5.2.0.5 and later Qsync Central 5.3.0.2 and later
Patch / fix
- QNAP Systems Inc. Qsync Central 5.0.0.7, 5.1.0.3, 5.2.0.5, 5.3.0.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 24 d ago
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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 |
Affected products
- QNAP Systems Inc. Qsync Central
Classification
- Weakness
-
- CWE-61 UNIX Symbolic Link (Symlink) Following
References
Sources
- CVE List CVE-2026-41541
- NVD CVE-2026-41541
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