How severe is CVE-2026-19681?

CVE-2026-19681 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-19681 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-19681?

CVE-2026-19681 affects Tenable Security Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-19681?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-19681 published?

CVE-2026-19681 was published on 2026-08-14 and last updated on 2026-08-19.

CVE-2026-19681

CVE-2026-19681 is a critical-severity vulnerability in Tenable Security Center with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 9.4
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tenable Security Center
Published: 2026-08-14
Last modified: 2026-08-19

Description

An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution on the underlying operating system.

Frequently asked questions

What is CVE-2026-19681?: An authenticated command injection vulnerability exists in Security Center related to file upload processing. An attacker could exploit this issue by uploading a specially crafted file, potentially resulting in arbitrary command execution on the underlying operating system.
How severe is CVE-2026-19681?: CVE-2026-19681 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-19681 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-19681?: CVE-2026-19681 affects Tenable Security Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-19681?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-19681 published?: CVE-2026-19681 was published on 2026-08-14 and last updated on 2026-08-19.

References

https://www.tenable.com/security/tns-2026-22

Affected products (1)

cpe:2.3:a:tenable:security_center:*:*:*:*:*:*:*:*

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