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TI-2026-21369 Aliases CVE-2026-26721GHSA-42h9-mr3g-6gc2

An issue in Key Systems Inc Global Facilities Management Software v.20230721a allows a…

Priority MEDIUM 64CWE-598Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00312 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:keystorage:global_facilities_management_software:20230721a:*:*:*:*:*:*:*20230721aVulnerableKeystorage
  • cpe:2.3:a:keystorage:global_facilities_management_software:20230721a:*:*:*:*:*:*:* Versions 20230721a Vulnerable ·Keystorage

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26721
  2. 2026-10-03 Alias added: GHSA-42h9-mr3g-6gc2

References

  • TI-2026-21370 An issue in Key Systems Inc Global Facilities Management Software v.20230721a allows a… CVSS 3.1CRITICAL 9.4
  • TI-2022-22585 Hardcoded credentials in Global Facilities Management Software (GFMS) Version 3 software… CVSS 3.1CRITICAL 9.1
  • TI-2026-21371 Cross Site Scripting vulnerability in Key Systems Inc Global Facilities Management… CVSS 3.1HIGH 8.2
  • TI-2026-21372 Cross Site Scripting vulnerability in Key Systems Inc Global Facilities Management… CVSS 3.1HIGH 7.6

Sources