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PatchSiren cyber security CVE debrief

CVE-2026-54185 THEMECO CVE debrief

CVE-2026-54185 is a HIGH severity vulnerability (CVSS Score: 8.5) affecting Cornerstone versions prior to 7.8.8. The issue is a subscriber SQL injection vulnerability, which could allow attackers to inject malicious SQL. This vulnerability was published on June 17, 2026, and immediately gained attention due to its potential impact. Organizations using Cornerstone should take immediate action to mitigate this vulnerability. The CVE record and NVD detail provide further information on this issue.

Vendor
THEMECO
Product
Cornerstone
CVSS
HIGH 8.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-17
Advisory published
2026-06-17
Advisory updated
2026-06-17

Who should care

Administrators and security teams using Cornerstone versions before 7.8.8 should be aware of this vulnerability and take steps to mitigate it. Additionally, security researchers and penetration testers may be interested in the technical details of this vulnerability.

Technical summary

CVE-2026-54185 is a SQL injection vulnerability in Cornerstone versions before 7.8.8. The vulnerability has a CVSS Score of 8.5 and is classified as HIGH severity. The vulnerability allows attackers to inject malicious SQL, potentially leading to data breaches or system compromise. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L.

Defensive priority

HIGH

Recommended defensive actions

  • Update Cornerstone to version 7.8.8 or later
  • Implement input validation and sanitization for user input
  • Use prepared statements with parameterized queries
  • Limit database privileges for Cornerstone users
  • Monitor Cornerstone logs for suspicious activity
  • Perform regular security audits and vulnerability assessments

Evidence notes

The CVE record and NVD detail provide information on this vulnerability. The Patchstack database also provides details on this vulnerability, including mitigation steps. The CWE-89 weakness is associated with this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-54185 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-54185

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

  • CVE-2026-54185 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-54185

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

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.