High-severity SQLi in Plesk, a widely deployed hosting control panel; allows full panel compromise — likely to be organization-wide and newsworthy.
CVE-2026-58046
Authenticated SQL injection in Plesk XML-RPC allows full panel compromise.
Is CVE-2026-58046 being exploited?
Not confirmed. CVE-2026-58046 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-58046?
CVE-2026-58046 is rated Critical with a CVSS score of 9.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-58046?
Not known from our data. No patch reference has been recorded for CVE-2026-58046, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-58046 affect?
CVE-2026-58046 affects Plesk Panel (XML-RPC API), Plesk-managed servers. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-58046?
Restrict/disable XML-RPC, limit admin access, monitor logs, apply vendor patch ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote authenticated low-priv user can perform SQL injection to read arbitrary DB data and gain full Plesk panel control.
Immediate action required
- affected< 18.0.79.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.