NATS Server MQTT Subscribe ACL Bypass via $MQTT.deliver.pubrel (CVE-2026-33214)
Security Advisory
GHSA-4g68-3pxw-5vf
Medium
nats-io/nats-server
Affected:
- nats-server v2.14.2
- nats-server v2.12.7及以下版本
Fixed in:
- nats-server v2.14.3
- nats-server v2.12.8
Referenced CVEs:
CVE-2026-58214 · 4.3
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