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CVE-2026-39832 CVE Medium False Positive

ssh/agent: Destination Constraints Dropped When Forwarding Keys

This advisory does not affect KrakenD

KrakenD does not implement or expose SSH functionality. The golang.org/x/crypto/ssh/agent package is a transitive dependency but its 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/agent silently drops destination constraints when forwarding keys to a remote agent. Keys with destination restrictions can be used at unintended destinations, bypassing the intended forwarding controls.

References

View CVE-2026-39832 on Go Issue Tracker

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