CVE-2026-64879
Command Injection
CVE-2026-64879 is a critical vulnerability (CVSS 9.4) in Tenable Security Center, published July 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.26%, the 83rd percentile. No source names a fixed version.
- Severity
- 9.4 CriticalCVSS 4.0, CVE List
- Exploit chance
- 2.26%EPSS, 83rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Command Injection
A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
- Record
CVE-2026-64879- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2026-46391
A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
- Record
EUVD-2026-46391- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x2v3-fq4f-vvjj
A filename supplied during file upload is not properly sanitized before being used in system...
A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
- Record
GHSA-x2v3-fq4f-vvjj- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:X - CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
A filename supplied during file upload is not properly sanitized before being used in system command execution, allowing an attacker to inject shell metacharacters and achieve command injection via the audit file upload functionality.
- Record
CVE-2026-64879- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:X - CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.