CVE-2026-57587 Tenable CVE debrief

Who should care

Defenders responsible for Nessus installations, especially those in environments where scan results are sensitive or attackers could manipulate DNS records, should prioritize verifying and patching Nessus installations to prevent potential SQL injection attacks.

Why it matters

CVE-2026-57587 is a SQL injection vulnerability in Nessus that allows remote attackers to inject malicious SQL into scan results database, potentially enabling exfiltration of scan-result data. Defenders should prioritize verifying and patching Nessus installations, especially in sensitive environments.

• Verify and patch Nessus installations to prevent SQL injection attacks.
• Monitor Nessus scan results for suspicious activity that could indicate a SQL injection attack.
• Implement additional security controls to prevent attackers from manipulating DNS records.

Technical summary

The CVE-2026-57587 vulnerability is a SQL injection issue in Nessus that allows a remote, unauthenticated attacker to inject malicious SQL into the scan results database. This could potentially enable exfiltration of scan-result data. The vulnerability has a CVSS score of 2.9 and is considered LOW severity.

Defensive priority

Defenders should prioritize verifying and patching Nessus installations to prevent potential SQL injection attacks, especially in environments where scan results are sensitive or attackers could manipulate DNS records.

Recommended defensive actions

• Verify and apply the vendor patch for Nessus to prevent SQL injection attacks.
• Review and update Nessus installations to ensure they are running a version that is not vulnerable.
• Monitor Nessus scan results for suspicious activity that could indicate a SQL injection attack.
• Consider implementing additional security controls to prevent attackers from manipulating DNS records.

Evidence notes

The CVE record and NVD detail page provide information about the SQL injection vulnerability in Nessus, including its CVSS score and vector. A vendor advisory is also available.

Sources and references

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.