PT-2026-56564 · Unknown · Nats Server

Keenanwgn

+1

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CVE-2026-58252

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Published

2026-07-08

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Updated

2026-07-14

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Name of the Vulnerable Software and Affected Versions NATS Server versions prior to 2.14.0 NATS Server versions prior to 2.12.7 NATS Server versions prior to 2.11.16
Description An authenticated user can receive messages on denied subjects. This occurs when a wildcard subscription overlaps with a configured wildcard deny rule without being a subset of it. Additionally, queue subscriptions may interfere with message delivery to legitimate queue consumers.
Recommendations Update to version 2.14.0 Update to version 2.12.7 Update to version 2.11.16

Exploit

Fix

Improper Authorization

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Weakness Enumeration

CWE-285

Related Identifiers

AZL-92253
BIT-NATS-2026-58252
CVE-2026-58252
GHSA-WH7G-5M82-PMHR

Affected Products

Nats Server