What is GHSA-5qwv-x7hg-2f8r?

GHSA-5qwv-x7hg-2f8r is a security advisory published by GitHub Security Advisories with Critical severity. A missing input validation vulnerability in the Fileserver upload API allows an authenticated...

Which CVE IDs does GHSA-5qwv-x7hg-2f8r cover?

GHSA-5qwv-x7hg-2f8r covers the following CVE IDs: CVE-2026-101158. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5qwv-x7hg-2f8r?

GHSA-5qwv-x7hg-2f8r has a CVSS v3 base score of 8.4, published by GitHub Security Advisories.

GHSA-5qwv-x7hg-2f8rCriticalCVSS 8.4

A missing input validation vulnerability in the Fileserver upload API allows an authenticated...

Vendor

GitHub Security Advisories

Published

October 6, 2026

Last Modified

October 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-101158 →

📋 Description

A missing input validation vulnerability in the Fileserver upload API allows an authenticated attacker with file upload privileges to execute stored cross-site scripting (XSS). Successful exploitation could enable the attacker to hijack another CloudVision user's web session, potentially granting full access to their account and administrative permissions.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-101158
https://www.arista.com/en/support/advisories-notices/security-advisory/24801-security-advisory-0185
https://github.com/advisories/GHSA-5qwv-x7hg-2f8r