CVE-2026-101158

critical · 9.3

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.

9.3

CVSS

0.3%

EPSS (exploit prob.)

21st

EPSS percentile

2026-10-06

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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

Weaknesses

CWE-79

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24801-security-advisory-0185

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-101158