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

> Remote attackers can inject SQL via reverse DNS to exfiltrate scan data from Nessus, requiring immediate patching by security teams.

- **Severity:** Low 2.1 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Jun 2026
- **Updated:** 25 Jun 2026
- **Also known as:** GHSA-qq5f-hjr7-p57f

## 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 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-57587?

It affects 1 product.


Products: 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.

## 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](https://insights.sbomify.com/CVE-2022-4313/): Command injection in Tenable.io, Tenable.sc and Nessus (high 8.8)
- [CVE-2023-0524](https://insights.sbomify.com/CVE-2023-0524/): Privilege escalation in Tenable.io, Tenable.sc, Nessus (high 8.8)
- [CVE-2023-0101](https://insights.sbomify.com/CVE-2023-0101/): Privilege escalation in Nessus (high 8.8)
- [CVE-2022-32973](https://insights.sbomify.com/CVE-2022-32973/): Privilege escalation in Nessus (high 8.8)
- [CVE-2025-36630](https://insights.sbomify.com/CVE-2025-36630/): Local Privilege Escalation (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-57587 and fix it if it is affected.

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

Affected product: Tenable Nessus. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-57587/ (Markdown: https://insights.sbomify.com/CVE-2026-57587/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-57587
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-57587
- OSV: https://osv.dev/vulnerability/CVE-2026-57587

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-57587/
Summaries are generated and may contain mistakes; the official description above is the record.