Critical (9.8) in ivanti avalanche. EPSS 46% chance of exploitation in the next 30 days.
An unrestricted upload of file with dangerous type vulnerability exists in Avalanche versions 6.3.x and below that could allow an attacker to achieve a remove code execution. Fixed in version 6.4.1.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
46% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)