CVE-2026-58211: nats-server from 2.12.0 (inclusive), before 2.12.12 (exclusive), from 2.14.0 (inclusive), before 2.14.3 (exclusive), <…

CVE-2026-58211. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA). EPSS 0.00292 (percentile 0.2072), scored 24-Oct-2026.

Affected technology

nats-server · from 2.12.0 (inclusive), before 2.12.12 (exclusive)
linuxfoundation

nats-server · from 2.14.0 (inclusive), before 2.14.3 (exclusive)
linuxfoundation

nats-server · < 2.12.12, >= 2.14.0-RC.1, < 2.14.3
nats-io

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-863
CCR priority: 21.7 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00292 · percentile 0.21582 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-58211.html