What is GHSA-3grq-vh3r-2ww4?

GHSA-3grq-vh3r-2ww4 is a security advisory published by GitHub Security Advisories with High severity. An authentication bypass using an alternate path or channel vulnerability in the OTP in Synology...

Which CVE IDs does GHSA-3grq-vh3r-2ww4 cover?

GHSA-3grq-vh3r-2ww4 covers the following CVE IDs: CVE-2026-18596. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3grq-vh3r-2ww4?

GHSA-3grq-vh3r-2ww4 has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-3grq-vh3r-2ww4HighCVSS 8.1

An authentication bypass using an alternate path or channel vulnerability in the OTP in Synology...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-18596 →

📋 Description

An authentication bypass using an alternate path or channel vulnerability in the OTP in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers with valid user credentials to read or write arbitrary files and conduct denial-of-service attacks.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-18596
https://www.synology.com/en-global/security/advisory/Synology_SA_26_18
https://github.com/advisories/GHSA-3grq-vh3r-2ww4