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Fencer Intel
high 7.1

CVE-2026-26721 json

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

published 8mo ago modified 4mo ago also EUVD-2026-7498

cvss
7.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

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.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
8mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26721 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CNA 3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Classification

Weakness
  • CWE-598 Use of HTTP Request With Sensitive Query String

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.