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CVE-2026-39830 CVE Medium False Positive

ssh: Server Deadlock via Unsolicited Global Request Responses

This advisory does not affect KrakenD

KrakenD does not implement or expose SSH functionality. The golang.org/x/crypto/ssh package is a transitive dependency but its SSH server code paths are never invoked during KrakenD operation. The dependency was upgraded as a precaution.

Addressed through routine dependency maintenance in CE 2.13.6 and EE 2.13.4.

Component

golang.org/x/crypto (SSH)

Disclosed

May 26, 2026

Description

Go’s golang.org/x/crypto/ssh server can enter a deadlock when a client fills the internal buffer with unsolicited global request responses. This causes the server goroutine to stall indefinitely, denying service to affected connections.

References

View CVE-2026-39830 on Go Issue Tracker

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