What is the CVSS score of CVE-2026-26721?

CVE-2026-26721 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Global Facilities Management Software are affected by CVE-2026-26721?

A high-severity vulnerability (CVSS 7.1) affects Global Facilities Management Software versions through 20230721a, with public exploits already available.

Is there a public PoC exploit available for CVE-2026-26721?

Yes, a public proof-of-concept exploit is available for CVE-2026-26721. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-26721?

Within 24 hours: Inventory all instances of Global Facilities Management Software and identify affected versions; isolate critical instances from production networks if possible and enable enhanced logging. Within 7 days: Contact the vendor for patch timelines and interim guidance; implement network-based mitigations such as WAF rules or IP whitelisting for management interfaces; restrict user access to affected systems to essential personnel only. Within 30 days: Prepare for emergency patching upon vendor release; evaluate alternative solutions; conduct security assessment of affected systems for signs of compromise.

Global Facilities Management Software CVE-2026-26721

HIGH

Use of GET Request Method With Sensitive Query Strings (CWE-598)

2026-02-20 cve@mitre.org

Information Disclosure Global Facilities Management Software

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

PoC Detected

Feb 26, 2026 - 17:57 vuln.today

Public exploit code

CVE Published

Feb 20, 2026 - 17:25 nvd

HIGH 7.1

DescriptionCVE.org

An issue in Key Systems Inc Global Facilities Management Software v.20230721a allows a remote attacker to obtain sensitive information via the sid query parameter.

AnalysisAI

Global Facilities Management Software versions up to 20230721a contains a security vulnerability (CVSS 7.1).

Technical ContextAI

exists in the sid query component. in Key Systems Inc Global Facilities Management Software v.20230721a allows a remote attacker to obtain sensitive information via the sid query parameter.