CVE-2026-68488Critical· 9.9▾ MidnightA Time-of-check Time-of-use (TOCTOU) race condition leading to insecure symlink following in Plesk causes local privilege escalation to root via arbitrary file/directory ownership takeover.
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 54.5 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
0.2% → 0.2%
A Time-of-check Time-of-use (TOCTOU) race condition leading to insecure symlink following in Plesk causes local privilege escalation to root via arbitrary file/directory ownership takeover.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-65646Critical· 9.9Improper neutralization of special elements in in Plesk's DNS zone management functionality allows remote authenticated users to disclose arbitrary local files and escalate privileges.
CVE-2026-68487Critical· 9.9Path traversal in Plesk's Backup Manager causes arbitrary file write as root by an authenticated customer.
CVE-2026-23950High· 8.8node-tar,a Tar for Node.js, has a race condition vulnerability in versions up to and including 7.5.3
CVE-2026-68491Critical· 9.4An insufficient check allowed for the overwrite of arbitrary files via a symlink.
CVE-2026-68489High· 8.7Static Code Injection in Plesk extensions "Ruby" before 1.6.6 and "Node.js Toolkit" before 2.5.0 allows remote authenticated users to execute arbitrary code as root via custom environment variables.
CVE-2026-67399Critical· 9.3Deserialization of untrusted data in WHMCS 9.0.0 before 9.0.8 and 8.0.0 before 8.13.7 allows remote attackers to execute arbitrary code.