CVE-2026-58251NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.0, 2.12.7, and 2.11.16, an authenticated user with subscription deny permissions could bypass a plain subject deny rule by using a queue subscription, because queue-specific deny evaluation could override the plain subject deny result when the queue name itself was not denied. This issue is fixed in versions 2.14.0, 2.12.7, and 2.11.16.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-285
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linuxfoundation nats-server linuxfoundation:nats-server | before 2.11.16; from 2.12.0 before 2.12.7 | NVD |
References
- https://github.com/nats-io/nats-server/commit/013586288078def45a6788096924eb4d150db65cpatch
- https://github.com/nats-io/nats-server/commit/79c2f6e9ff87f594596337b6427dda85c38d1fe1patch
- https://github.com/nats-io/nats-server/commit/b9ffb63b85e7db3d25a13b2e234f5f7f7c13164dpatch
- https://github.com/nats-io/nats-server/releases/tag/v2.11.16release-notes
- https://github.com/nats-io/nats-server/releases/tag/v2.12.7release-notes
- https://github.com/nats-io/nats-server/releases/tag/v2.14.0release-notes
- https://github.com/nats-io/nats-server/security/advisories/GHSA-jx8g-9g95-6322vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.