CVE-2026-64881

Command Injection

HIGH 8.7

At a glance

Source: NVD
EPSS: EPSS 2.23 % · percentile 83 (2026-10-28)
State: PUBLISHED
Published: 2026-07-21 20:09 UTC
Updated: 2026-07-24 03:55 UTC
Assigner: tenable
NVD status: Analyzed

Description

The audit file upload handler does not sanitize filenames, allowing shell metacharacters to flow into system command execution. This input validation failure enables command injection when chained with a related vulnerability.

Weaknesses (CWE)

CWE-78 — Improper Neutralization of Special Elements used in an OS Command

References

https://www.tenable.com/security/tns-2026-19

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	tenable
CVSS 4.0	HIGH 8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	tenable
CVSS 4.0	HIGH 8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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	NVD · vulnreport@tenable.com (Secondary)
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · vulnreport@tenable.com (Secondary)

European references

ENISA EUVD · EUVD-2026-46397
GCVE · GCVE-0-2026-64881

CERT-FR advisories

CERTFR-2026-AVI-0962 — Multiples vulnérabilités dans les produits Tenable · cert.ssi.gouv.fr
CERTFR-2026-AVI-0905 — Multiples vulnérabilités dans Tenable Security Center · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:tenable:security_center:*:*:*:*:*:*:*:* ≥ 6.6.0 ≤ 6.8.0

Affected products

Product	Versions
Tenable, Inc. · Security Center	affected 0 < 6.8.0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD