SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-64881

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution.

HIGH 8.7EPSS 2.23%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.

CVSS 4.0
8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
2.23% probability · 82th percentile
CISA KEV
Not listed
Weakness
CWE-78
Affected
tenable/security center
Source
vulnreport@tenable.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.