CVE-2026-8326 Remote Spark SparkView Path Traversal in RDP Drive Redirection leading to RCE
An unauthenticated attacker can exploit a path traversal in RDP drive redirection to read/write arbitrary files as root, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8326?
CVE-2026-8326 is a critical path traversal vulnerability in Remote Spark (https://www.remotespark.com/) SparkView, published on 29 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-23
Which versions are affected by CVE-2026-8326?
How do I fix CVE-2026-8326?
No fix has been published for CVE-2026-8326 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-8326 being exploited?
There is no known exploitation of CVE-2026-8326 in the wild and no public exploit code.
Sources
Also known as GHSA-fhv3-q37g-rjx5.