CVE-2026-15265: tenable nessus_agent Path Traversal
CVSS: 9.4v4.0CriticalAnalyzed
Published 14-07-2026Last modified 14-07-2026
Vulnerability summary
CVE-2026-15265 is a critical (CVSS 9.4) Path Traversal vulnerability in tenable nessus_agent. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.2% of scored vulnerabilities.
CVSS score
9.4/10
010
Critical · v4.0 (NVD)EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-07-2026PublishedVulnerability first disclosed.
- 14-07-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 2 versionsCritical 9.4Preferred score · NVD (NIST)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XSources2 sources · 9.3–9.4
- CVE.orgCNA9.3CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HDiffers
Critical 9.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:F/RL:U/RC:CSourcesAll 2 agree
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.56%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.56% on 18-09-2026
18-09-202618-10-2026
EPSS score0.56%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
- CWE-347Improper Verification of Cryptographic SignatureThe product does not verify, or incorrectly verifies, the cryptographic signature for data.
Affected systems
Tenable2 products
- nessus_agent< 11.1.4 | 11.2.0
- tenable_agent11.2.0 | ≤ 11.1.3
1 vendor · 2 products