How severe is CVE-2026-19629?

CVE-2026-19629 has a CVSS 3.x base score of 8.1, rated high 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 none.

Is CVE-2026-19629 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-19629?

CVE-2026-19629 affects Tenable Security Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-19629?

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

When was CVE-2026-19629 published?

CVE-2026-19629 was published on 2026-08-14 and last updated on 2026-08-19.

CVE-2026-19629

CVE-2026-19629 is a high-severity vulnerability in Tenable Security Center with a CVSS 3.x base score of 8.1. 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 8.6
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Tenable Security Center
Published: 2026-08-14
Last modified: 2026-08-19

Description

A privilege escalation vulnerability exists in Tenable Security Center that allows a user with "Security Manager" role and "manage user" permission on a single group to modify users belonging to other groups. This bypasses the intended access control restrictions and enables unauthorized cross-group user management.

Frequently asked questions

What is CVE-2026-19629?: A privilege escalation vulnerability exists in Tenable Security Center that allows a user with "Security Manager" role and "manage user" permission on a single group to modify users belonging to other groups. This bypasses the intended access control restrictions and enables unauthorized cross-group user management.
How severe is CVE-2026-19629?: CVE-2026-19629 has a CVSS 3.x base score of 8.1, rated high 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 none.
Is CVE-2026-19629 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-19629?: CVE-2026-19629 affects Tenable Security Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-19629?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-19629 published?: CVE-2026-19629 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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