CVE-2026-57587 SQL Injection in Nessus via Reverse DNS Lookup

What is CVE-2026-57587?

CVE-2026-57587 is a low-severity SQL injection vulnerability in Tenable Nessus, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data.

Weakness: CWE-89

Which versions are affected by CVE-2026-57587?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2026-57587?

No fix has been published for CVE-2026-57587 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-57587 being exploited?

There is no known exploitation of CVE-2026-57587 in the wild and no public exploit code.

Other vulnerabilities in Tenable Nessus

• CVE-2022-4313 Command injection in Tenable.io, Tenable.sc and Nessus High 8.8
• CVE-2023-0524 Privilege escalation in Tenable.io, Tenable.sc, Nessus High 8.8
• CVE-2023-0101 Privilege escalation in Nessus High 8.8
• CVE-2022-32973 Privilege escalation in Nessus High 8.8
• CVE-2025-36630 Local Privilege Escalation High 8.4

All Tenable Nessus vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qq5f-hjr7-p57f.