PT-2026-21253 · Key Systems · Global Facilities Management

Chndlrx · Published 2026-02-20 · Updated 2026-02-26 · CVE-2026-26724

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Key Systems Inc Global Facilities Management Software version 20230721a

Description A Cross Site Scripting issue exists in Key Systems Inc Global Facilities Management Software. A remote attacker can potentially execute arbitrary code by manipulating the selectgroup and gn parameters on the /api/v1/Groups endpoint.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the /api/v1/Groups endpoint to minimize the risk of exploitation. Sanitize the selectgroup and gn parameters before processing them within the Groups function.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-26724

Affected Products

Global Facilities Management

References · 5

• 🔥 https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26724 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-26724 · Security Note
• https://osv.dev/vulnerability/CVE-2026-26724 · Vendor Advisory
• https://twitter.com/CVEnew/status/2025809088865837352 · Twitter Post
• https://t.me/cveNotify/153342 · Telegram Post