Critical severity · published Oct 16, 2026
CVE-2026-18516
Improper Encoding or Escaping of Output in Crafty Controller
9.6
CVSS
0.3%
EPSS
No
On KEV
Description
An output escaping vulnerability in the Audit Logs component of Crafty Controller allows a remote, unauthenticated attacker to perform stored cross-site scripting via HTTP header injection
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Crafty Controller · Arcadia Technology, LLC
through 4.10.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18516
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18516
gitlab.com
https://gitlab.com/crafty-controller/crafty-4/-/work_items/743
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