CVE-2026-58250: falha de alta gravidade em nats-io nats-server
NATS Server: Pre-auth server crash via double INFO in leafnode handshake
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21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.5epss 0.7%
NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by sending repeated leafnode INFO protocol messages before authentication and account setup completed. This issue is fixed in versions 2.12.8 and 2.11.17.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Produtos afetados
nats-io · nats-serverCVEs relacionadas — nats-io nats-server
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Referências
https://github.com/nats-io/nats-server/commit/8dcb26eaea78fdcbe96dbee5986d6019fd5cb94ahttps://github.com/nats-io/nats-server/commit/fc5fe39177533e9dbdd651d2458285bfae1dde27https://github.com/nats-io/nats-server/releases/tag/v2.11.17https://github.com/nats-io/nats-server/releases/tag/v2.12.8https://github.com/nats-io/nats-server/security/advisories/GHSA-3g5q-cfh2-cq67