Path Traversal in Tenable Nessus Agent
CVE-2026-15265
A path traversal vulnerability in Tenable Agent 11.2.0 and 11.1.3 and lower allows a privileged attacker to write arbitrary files outside the intended plugin directory, potentially leading to remote code execution.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Tenable Nessus Agent — versions 11.2.0
- Tenable Agent — versions 11.2.0, 0
Weakness classification (CWE)
References
- www.tenable.com/security/tns-2026-18 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-15265?
- CVE-2026-15265 is a critical-severity vulnerability in Tenable Nessus Agent, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-07-14.
- How severe is CVE-2026-15265?
- Critical severity. CVSS v3 base score is 9.1 out of 10.