CVE-2026-58213
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.1 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Vulnerability Description
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.1 and 2.12.9, an MQTT client could include protocol control characters in subscription filters that were later forwarded as NATS protocol data to route or leafnode connections, corrupting the forwarded protocol stream and allowing injection of unintended NATS protocol operations. This issue is fixed in versions 2.14.1 and 2.12.9.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-74
Source
NVD
Vendor
nats-io
Product
nats-server
External References
- https://github.com/nats-io/nats-server/commit/366837cfc65ab9ccb4f98193c65e8daf238582d8
- https://github.com/nats-io/nats-server/commit/64ebae40051ee497c481e10f316238faf0de1736
- https://github.com/nats-io/nats-server/commit/f14856b9e57a36818f43851cb69b6e33670885c9
- https://github.com/nats-io/nats-server/pull/8163
- https://github.com/nats-io/nats-server/pull/8164
- https://github.com/nats-io/nats-server/releases/tag/v2.12.9
- https://github.com/nats-io/nats-server/releases/tag/v2.14.1
- https://github.com/nats-io/nats-server/security/advisories/GHSA-qrcv-3558-gj4f
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