Vulnerability · Published Oct 19, 2026 · Assigned by NCSC.ch

CVE-2026-108120path traversal inKoozali - SME Server

High 7.7

In plain English

A high-severity security flaw in SME Server from koozali. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).

Severity (CVSS 4.0)7.7High

Exploit odds (30 days)0.4%top 69.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Brian Mariani from DigitalCanion SA has discovered a path traversal vulnerability in the View Logs functionality of koozali's SME Server version 11.0rc1-215 allowing an unauthenticated attacker to access files outside of the intended directory, leading to exfiltration of files located outside the intended system logs directory, including potentially sensitive system and application files.

Affected products (as reported)

Vendor	Product	Versions
koozali	SME Server	11.0rc1-215

Weakness: CWE-31 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/S:P/AU:Y/R:A/RE:M/U:Amber

References

https://digitalcanion.com/en/security-research/#vendor=koozali