HIGH
CVE-2026-26721
Published: February 20, 2026· Updated: Feb 26, 2026
7.1
CVSS v3.1
EPSS:0.04%probability of exploitation in 30 daysPercentile:12.8th
Official Description
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.
Technical Analysis
CVE-2026-26721 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.1.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Affected Vendors & Products
keystorage1 product
global facilities management software
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (1)
→
https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26721Exploit · Third Party Advisory
Quick Facts
CVE IDCVE-2026-26721
CVSS Score7.1 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.04%
Affected1 vendor
PublishedFeb 20, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-26721 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.