Resource exhaustion in nest - #VU150166
Published: September 16, 2026
Vulnerability identifier: #VU150166
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in JsonSocket#handleSend when a peer issues requests without reading responses. A remote attacker can issue requests and leave response data unread to cause a denial of service.
Only applications using Transport.TCP with a port reachable by an untrusted peer are affected.
Affected software
nest
Remediation
Install security update from vendor's website.
nest - addressed in versions 11.2.5, 12.0.3