CVE-2026-58207
High · 7.7CVSS
7.7
EPSS
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Published
Jul 8, 2026
CISA due date
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The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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