CVE-2026-65646 Path traversal in Plesk
Remote authenticated users can disclose arbitrary local files and escalate privileges via improper neutralization in Plesk's DNS zone management.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-65646?
CVE-2026-65646 is a critical path traversal vulnerability in WebPros Plesk, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper neutralization of special elements in in Plesk's DNS zone management functionality allows remote authenticated users to disclose arbitrary local files and escalate privileges.
Weakness: CWE-74
Which versions are affected by CVE-2026-65646?
How do I fix CVE-2026-65646?
No fix has been published for CVE-2026-65646 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-2026-65646 being exploited?
There is no known exploitation of CVE-2026-65646 in the wild and no public exploit code.
Sources
Also known as GHSA-g8q6-5f8r-jhhf.