PT-2026-8009 · Tenable · Nessus Agent

Published 2026-02-13 · Updated 2026-05-08 · CVE-2026-2026

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Name of the Vulnerable Software and Affected Versions Nessus Agent (affected versions not specified)

Description Weak file permissions within the Nessus Agent directory on Windows hosts could allow unauthorized access. This access may lead to a Denial of Service (DoS) attack.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2026-2026

Affected Products

Nessus Agent

References · 6

• https://tenable.com/security/tns-2026-05 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-2026 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2026 · Security Note
• https://reddit.com/r/Magento/comments/1t7a4eq/copyfail_cve202631431_dirtyfrag_cve2026202643284 · Reddit Post
• https://twitter.com/CVEnew/status/2022362797212913942 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2022363777723740451 · Twitter Post