SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-8326

Path traversal vulnerability in Remote Spark (https://www.Remotespark.Com/) SparkView allows reading and writing arbitrary files in all directories as root.

CRITICAL 10.0EPSS 0.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Path traversal vulnerability in Remote Spark (https://www.Remotespark.Com/) SparkView allows reading and writing arbitrary files in all directories as root. This leads to RCE. The affected component is the RDP drive redirection.  Depending on implementation, the vulnerability can be exploited by an unauthenticated attacker. This issue affects SparkView: before build 1127.

CVSS 4.0
10.0 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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/M
EPSS
0.38% probability · 31th percentile
CISA KEV
Not listed
Weakness
CWE-23
Source
vulnerability@ncsc.ch

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