# CVE-2026-19635: Local Privilege Escalation

> An attacker with write access to a configuration file can execute arbitrary code with elevated privileges in Tenable Security Center.

- **Severity:** High 8.5 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Aug 2026
- **Updated:** 15 Aug 2026
- **Also known as:** GHSA-f7j9-gwmw-2xxg

## What is CVE-2026-19635?

CVE-2026-19635 is a high-severity vulnerability in Tenable, Inc. Security Center, published on 14 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A local privilege escalation vulnerability exists in Security Center. An attacker with write access to a specific configuration file could achieve arbitrary code execution with elevated privileges, without requiring further user or victim interaction.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-19635?

It affects 1 product.


Products: Tenable Security Center.

## How do I fix CVE-2026-19635?

No fix has been published for CVE-2026-19635 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19635 being exploited?

There is no known exploitation of CVE-2026-19635 in the wild and no public exploit code.

## Other vulnerabilities in Tenable, Inc. Security Center

- [CVE-2026-19626](https://insights.sbomify.com/CVE-2026-19626/): Remote Code Execution (critical 9.4)
- [CVE-2026-19681](https://insights.sbomify.com/CVE-2026-19681/): Command Injection (critical 9.4)
- [CVE-2026-19682](https://insights.sbomify.com/CVE-2026-19682/): Command Injection (critical 9.4)
- [CVE-2026-64877](https://insights.sbomify.com/CVE-2026-64877/): SQL injection in Security Center (critical 9.4)
- [CVE-2026-64878](https://insights.sbomify.com/CVE-2026-64878/): Command Injection (critical 9.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19635 and fix it if it is affected.

What it is: CVE-2026-19635 is a high-severity vulnerability in Tenable, Inc. Security Center, published on 14 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-19635 in the wild and no public exploit code.

Affected product: Tenable, Inc. Security Center. 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-2026-19635/ (Markdown: https://insights.sbomify.com/CVE-2026-19635/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19635
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19635
- OSV: https://osv.dev/vulnerability/CVE-2026-19635

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19635/
Summaries are generated and may contain mistakes; the official description above is the record.