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PatchSiren cyber security CVE debrief

CVE-2026-58046 WebPros CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-30T06:25:55.430Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. This critical vulnerability in the Plesk XML-RPC API allows remote authenticated low-privileged users to perform SQL injection attacks and read arbitrary data from the Plesk database, potentially leading to full compromise of the panel. System administrators and security teams should review the official CVE record and assess their Plesk installations for exposure, planning for vendor-supported updates or mitigations through normal change control. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. The vulnerability has a CVSS score of 9.9 and is considered CRITICAL, emphasizing the need for immediate defensive actions.

Vendor
WebPros
Product
Plesk
CVSS
CRITICAL 9.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-30
Original CVE updated
2026-09-03
Advisory published
2026-07-30
Advisory updated
2026-09-03

Who should care

System administrators and security teams responsible for Plesk installations, especially those with remote access or low-privileged users, should be aware of this critical vulnerability and take immediate defensive actions.

Technical summary

CVE-2026-58046 is a critical vulnerability in the Plesk XML-RPC API, allowing remote authenticated low-privileged users to perform SQL injection attacks and read arbitrary data from the Plesk database. The vulnerability has a CVSS score of 9.9 and is considered CRITICAL. The CVE record was published on 2026-07-30T06:25:55.430Z and has not been modified since then.

Defensive priority

CVE-2026-58046 has a CVSS score of 9.9 and is considered CRITICAL; immediate defensive actions are recommended.

Recommended defensive actions

  • Review and restrict access to the Plesk XML-RPC API
  • Implement input validation and sanitization for user inputs
  • Monitor for suspicious database queries and access patterns
  • Apply vendor patches or updates when available
  • Limit privileges of authenticated users

Evidence notes

The CVE-2026-58046 record indicates improper neutralization in the Plesk XML-RPC API, allowing remote authenticated low-privileged users to perform SQL injection and read arbitrary data from the Plesk database. However, detailed information about affected products and versions is not provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58046 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58046

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-58046 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58046

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://support.plesk.com/hc/en-us/articles/42139500580119-Vulnerability-CVE-2026-58046-Blind-SQL-injection-in-Plesk-s-XML-RPC-API

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.