High severity7.7OSV Advisory· Published Jul 8, 2026· Updated Jul 9, 2026
CVE-2026-58207
CVE-2026-58207
Description
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.12, a client able to send account-scoped connection monitoring requests could crash the server by supplying Connz pagination Offset and Limit values that overflowed internal arithmetic before the response window was safely bounded. This issue is fixed in versions 2.14.3 and 2.12.12.
Affected products
1- Range: v2.14.2, v2.12.11, v2.12.10, …
Patches
Vulnerability mechanics
References
5- github.com/nats-io/nats-server/commit/2ae047139e37a38cb01e259a67909e7a39fa38e9nvdPatch
- github.com/nats-io/nats-server/commit/894d9411927681d66ce349bf1afe49608dc0c1a3nvdPatch
- github.com/nats-io/nats-server/security/advisories/GHSA-q59r-vq66-pxc2nvdMitigationVendor Advisory
- github.com/nats-io/nats-server/releases/tag/v2.12.12nvdRelease Notes
- github.com/nats-io/nats-server/releases/tag/v2.14.3nvdRelease Notes
News mentions
0No linked articles in our index yet.