Is CVE-2026-15265 being actively exploited?

CVE-2026-15265 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2026-15265?

CVE-2026-15265 has a CVSS 3.1 base score of 9.1 (CRITICAL).

CVE-2026-15265

CRITICAL · CVSS 9.1EPSS 0.6%EU EUVD

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.

Key facts

CVSS score: 9.1 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-22
EPSS score: 0.6% (45th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2026-43701)
Published: July 14, 2026
NVD last modified: August 25, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2026-43701 in the EU Vulnerability Database. Last updated in EUVD on July 14, 2026.

View on the EU Vulnerability Database

Affected products

tenable / nessus agent
tenable / nessus agent

Certified products that may be affected

3 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Tenable Nessus Agent 11.0 - Tenable, Inc. - Common Criteria CCEVS-VR-VID-11578-2025 - active
Nessus Agent 10.4.1 - Tenable, Inc. - Common Criteria CCEVS-VR-VID-11367-2023 - archived
Nessus Agent 8.0.0 - Tenable, Inc. - Common Criteria CCEVS-VR-VID-11066-2020 - archived

References

https://www.tenable.com/security/tns-2026-18(Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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