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PatchSiren cyber security CVE debrief

CVE-2026-108569 Furion CVE debrief

A vulnerability was identified in Furion .NET Framework up to 4.9.9.92, specifically in the String.Replace function of the StringRenderExtensions.cs file, which is susceptible to SQL injection. The exploit is publicly available, and remote exploitation is possible. The CVSS score is 5.3, with a severity rating of MEDIUM. This vulnerability allows for remote exploitation and could lead to SQL injection attacks. Defenders should prioritize verification and mitigation efforts to prevent potential exploitation.

Vendor
Furion
Product
.NET Framework
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-11
Original CVE updated
2026-10-11
Advisory published
2026-10-11
Advisory updated
2026-10-11

Who should care

Defenders responsible for Furion .NET Framework deployments should assess the potential impact of this vulnerability on their systems and prioritize verification and mitigation efforts.

Why it matters

This vulnerability allows for remote exploitation and could lead to SQL injection attacks. Defenders should prioritize verification and mitigation efforts to prevent potential exploitation.

  • Verify the presence of the vulnerable StringRenderExtensions.cs file in Furion .NET Framework deployments
  • Assess the potential impact of the SQL injection vulnerability on systems
  • Monitor for potential exploitation attempts

Technical summary

The vulnerability is located in the StringReplace function of the StringRenderExtensions.cs file in Furion .NET Framework up to 4.9.9.92. The manipulation of the argument Name leads to SQL injection, allowing for remote exploitation. The CVSS score is 5.3, with a severity rating of MEDIUM. This vulnerability allows for remote exploitation and could lead to SQL injection attacks. Defenders should prioritize verifying the presence of this vulnerability in their Furion .NET Framework deployments and assess the potential impact on their systems.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their Furion .NET Framework deployments and assess the potential impact on their systems.

Recommended defensive actions

  • Verify the presence of the vulnerable StringRenderExtensions.cs file in Furion .NET Framework deployments
  • Assess the potential impact of the SQL injection vulnerability on systems
  • Monitor for potential exploitation attempts
  • Consider implementing compensating controls to mitigate the vulnerability
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and source item provide details about the vulnerability, including its location in the StringRenderExtensions.cs file and the potential for SQL injection. However, the corpus does not provide information on the existence of a patch or a workaround.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-108569 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-108569

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

  • CVE-2026-108569 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-108569

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

Supplemental references

  • Furion .NET Framework StringRenderExtensions.cs String.Replace sql injection

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/108xxx/CVE-2026-108569.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/416226

    Supplemental source - vdb-entry, technical-description

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/vuln/416226/cti

    Supplemental source - signature, permissions-required

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/cve/CVE-2026-108569

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://vuldb.com/submit/954713

    Supplemental source - third-party-advisory

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.