Quick answers
- Is CVE-2026-65647 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-65647 being exploited in the wild.
- How severe is CVE-2026-65647?
- Informational severity, published 26 August 2026.
- Which products and versions are affected?
- Plesk <UNKNOWN>.
- Is there a fix for CVE-2026-65647?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-65647 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-65647?
- Check whether you run Plesk at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This vulnerability exists in Plesk's Site Import and Migrator extensions and involves improper symlink resolution before file access (a classic TOCTOU or symlink-following flaw). The vulnerability allows remote authenticated users to execute arbitrary code as the root user. The attack requires valid authentication credentials to trigger. If exploited, an attacker gains full root-level control of the Plesk server.
Affected products
- Plesk Plesk <UNKNOWN>
Timeline
- 2026-08-26: disclosed