CVE-2026-57588 Tenable CVE debrief

Who should care

Defenders responsible for Nessus deployments, particularly those with privileged user access to scan result imports, should assess exposure and verify imports.

Why it matters

Defenders should care about CVE-2026-57588 because it allows an attacker to potentially exfiltrate scan-result data by injecting malicious SQL into the scan results database, and defenders need to verify Nessus scan result file imports and monitor for suspicious activity.

• Potential exfiltration of scan-result data
• Possible injection of malicious SQL into the scan results database
• Verification of Nessus scan result file imports required
• Monitoring for suspicious database queries necessary

Technical summary

The SQL injection vulnerability in Nessus allows an attacker to craft a malicious scan result file that, when imported by a privileged user, injects malicious SQL into the scan results database. This vulnerability can be mitigated by verifying Nessus scan result file imports and monitoring for suspicious database queries. The vulnerability has a CVSS score of 1.8 and a severity of LOW, indicating a relatively low risk but still requiring attention from defenders responsible for Nessus deployments.

Defensive priority

Defenders should prioritize verifying Nessus scan result file imports and monitoring for suspicious database queries.

Recommended defensive actions

• Verify Nessus scan result file imports for malicious SQL injection
• Monitor database queries for suspicious activity
• Restrict privileged user access to Nessus scan result imports

Evidence notes

The CVE record and NVD entry provide details on the SQL injection vulnerability in Nessus, including the potential impact of exfiltrating scan-result data.

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.