CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.20, the default-open GET /subscribe endpoint in network/api/websocket/routes.go accepts unauthenticated WebSocket clients with permissive origin handling, does not call SetReadLimit to bound message size, and has no live-connection cap. SocketHub.HandleClientInsertion also accepts an unbounded address list that grows addressSubscription, and client.loopIn continues reading without a size limit, allowing one client to grow subscription maps or many clients to retain goroutines, buffered channels, and descriptors. The global HTTP request throttler does not count upgraded live WebSocket connections. Because the REST and WebSocket API runs in the node process, memory or scheduler exhaustion can crash the node and interrupt P2P and consensus participation. This issue is fixed in version 1.7.20.
Засегнати продукти
- klever-io klever-go: < 1.7.20
Вид слабост
История
- 23 септември 2026 Публикувано
Други уязвимости в klever-io klever-go
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-86065
- https://nvd.nist.gov/vuln/detail/CVE-2026-86065
- https://github.com/klever-io/klever-go/security/advisories/GHSA-4fwh-wrm6-97xm
- https://github.com/klever-io/klever-go/pull/76
- https://github.com/klever-io/klever-go/commit/b8af922e749ec1fa7451b2c6e7c9f634d8603be2
- https://github.com/klever-io/klever-go/releases/tag/v1.7.20