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CVE-2026-27889

Опубликовано: 25 мар. 2026
Источник: ubuntu
Приоритет: medium
CVSS3: 7.5

Описание

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and so is exposed to anyone who can connect to the websockets port. Versions 2.11.14 and 2.12.5 contains a fix. A workaround is available. The vulnerability only affects deployments which use WebSockets and which expose the network port to untrusted end-points. If one is able to do so, a defense in depth of restricting either of these will mitigate the attack.

РелизСтатусПримечание
devel

needs-triage

esm-apps/noble

needs-triage

esm-apps/resolute

needs-triage

jammy

DNE

noble

needs-triage

questing

ignored

end of life, was needs-triage
resolute

needs-triage

upstream

needs-triage

Показывать по

7.5 High

CVSS3

Связанные уязвимости

CVSS3: 7.5
redhat
5 месяцев назад

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and so is exposed to anyone who can connect to the websockets port. Versions 2.11.14 and 2.12.5 contains a fix. A workaround is available. The vulnerability only affects deployments which use WebSockets and which expose the network port to untrusted end-points. If one is able to do so, a defense in depth of restricting either of these will mitigate the attack.

CVSS3: 7.5
nvd
5 месяцев назад

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and so is exposed to anyone who can connect to the websockets port. Versions 2.11.14 and 2.12.5 contains a fix. A workaround is available. The vulnerability only affects deployments which use WebSockets and which expose the network port to untrusted end-points. If one is able to do so, a defense in depth of restricting either of these will mitigate the attack.

CVSS3: 7.5
debian
5 месяцев назад

NATS-Server is a High-Performance server for NATS.io, a cloud and edge ...

CVSS3: 7.5
github
5 месяцев назад

NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead

7.5 High

CVSS3