CVE-2026-58208: nats-server from 2.12.0 (inclusive), before 2.12.12 (exclusive), from 2.14.0 (inclusive), before 2.14.3 (exclusive)…

CVE-2026-58208. CVSS 3.1 base score 7.5 (HIGH, NVD). EPSS 0.006 (percentile 0.48116), 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 · >= 2.14.0-RC.1, < 2.14.3, < 2.12.12
nats-io

Component: Not specified by the source

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

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-248
CCR priority: 30.2 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.006 · percentile 0.48429 · 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-2026-58208.html