What is GHSA-xjfw-3qw5-345q?

GHSA-xjfw-3qw5-345q is a security advisory published by GitHub Security Advisories with High severity. An improper limitation of a pathname to a restricted directory vulnerability in the Sharing API...

Which CVE IDs does GHSA-xjfw-3qw5-345q cover?

GHSA-xjfw-3qw5-345q covers the following CVE IDs: CVE-2026-18792. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xjfw-3qw5-345q?

GHSA-xjfw-3qw5-345q has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-xjfw-3qw5-345qHighCVSS 8.8

An improper limitation of a pathname to a restricted directory vulnerability in the Sharing API...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-18792 →

📋 Description

An improper limitation of a pathname to a restricted directory vulnerability in the Sharing API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-18792
https://www.synology.com/en-global/security/advisory/Synology_SA_26_18
https://github.com/advisories/GHSA-xjfw-3qw5-345q