How severe is CVE-2026-0231?

CVE-2026-0231 has a CVSS 4.0 base score of 5.7, rated medium severity.

Is CVE-2026-0231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0231?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-0231 have an EU (EUVD) identifier?

Yes. CVE-2026-0231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11251.

When was CVE-2026-0231 published?

CVE-2026-0231 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-0231

CVE-2026-0231 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. 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-497.

Key facts

Severity: Medium (CVSS 4.0 base score 5.7)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11251
Weakness: CWE-497
Published: 2026-03-11
Last modified: 2026-06-17

Description

An information disclosure vulnerability in Palo Alto Networks Cortex XDR® Broker VM allows an authenticated user to obtain and modify sensitive information by triggering live terminal session via Cortex UI and modifying any configuration setting. The attacker must have network access to the Broker VM to exploit this issue.

Frequently asked questions

What is CVE-2026-0231?: An information disclosure vulnerability in Palo Alto Networks Cortex XDR® Broker VM allows an authenticated user to obtain and modify sensitive information by triggering live terminal session via Cortex UI and modifying any configuration setting. The attacker must have network access to the Broker VM to exploit this issue.
How severe is CVE-2026-0231?: CVE-2026-0231 has a CVSS 4.0 base score of 5.7, rated medium severity.
Is CVE-2026-0231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-0231 have an EU (EUVD) identifier?: Yes. CVE-2026-0231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11251.
When was CVE-2026-0231 published?: CVE-2026-0231 was published on 2026-03-11 and last updated on 2026-06-17.

References

https://security.paloaltonetworks.com/CVE-2026-0231

Other CWE-497 vulnerabilities

CVE-2025-10264 — Critical (CVSS 10.0): Certain models of NVR developed by Digiever has an Exposure of Sensitive Information vulnerability, allowing…
CVE-2026-27494 — Critical (CVSS 9.9): n8n is an open source workflow automation platform. Prior to versions 2.10.1, 2.9.3, and 1.123.22, an authenticated…
CVE-2025-47699 — Critical (CVSS 9.9): Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497) in the Gallagher Morpho…
CVE-2025-44823 — Critical (CVSS 9.9): Nagios Log Server before 2024R1.3.2 allows authenticated users to retrieve cleartext administrative API keys via a…
CVE-2026-14808 — Critical (CVSS 9.8): Prog Management System developed by PROG MIS has a Exposure of Sensitive Information vulnerability, allowing…
CVE-2024-13999 — Critical (CVSS 9.8): Nagios XI versions prior to 2024R1.1.3, under certain circumstances, disclose the server's Active Directory (AD) or…

Browse all CWE-497 vulnerabilities →