Is CVE-2026-64877 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-64877 being exploited in the wild.

How severe is CVE-2026-64877?

Critical severity, with a CVSS score of 9.6, published 21 July 2026.

Which products and versions are affected?

Tenable, Inc. Security Center < 6.8.0.

Is there a fix for CVE-2026-64877?

A patch was published on 2026-07-21: Patch SC202607.1 released to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-64877 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-64877?

Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-64877: Tenable Security Center SQL injection in ticketing REST API

Q: Is there a fix for CVE-2026-64877?

A patch was published on 2026-07-21: Patch SC202607.1 released to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-64877 attacked?

It is attacked over the network, in a network appliance.

Q: Am I affected by CVE-2026-64877?

Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-64877 · Severity: critical · CVSS 9.6 · Published 2026-07-21

Tenable Security Center, a platform used for managing and prioritizing cyber risk, contains a vulnerability in its ticketing interface. An authenticated user without administrative privileges can exploit this flaw to access or modify sensitive data stored within the system's database. This could lead to the exposure of confidential security information or unauthorized changes to organizational data.

Quick answers

Is CVE-2026-64877 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-64877 being exploited in the wild.
How severe is CVE-2026-64877?: Critical severity, with a CVSS score of 9.6, published 21 July 2026.
Which products and versions are affected?: Tenable, Inc. Security Center < 6.8.0.
Is there a fix for CVE-2026-64877?: A patch was published on 2026-07-21: Patch SC202607.1 released to address the vulnerability Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-64877 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-64877?: Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A SQL injection vulnerability exists in the ticketing REST API of Tenable Security Center. The flaw is caused by improper input validation (CWE-20) of user-supplied data within API requests. An authenticated attacker with low-level privileges can send specially crafted network requests to execute arbitrary SQL commands against the underlying database. Successful exploitation allows for the unauthorized retrieval or modification of sensitive information. The vulnerability is addressed in Security Center patch SC202607.1 for versions 6.6.0, 6.7.2, and 6.8.0.

Affected products

Tenable, Inc. Security Center < 6.8.0

Timeline

2026-07-21: advisory: Tenable released security advisory TNS-2026-19
2026-07-21: patched: Patch SC202607.1 released to address the vulnerability

References

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

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