Feed/CVE-2026-7776
CVE-2026-7776HIGHCVSS 7.5

Hashicorp Boundary workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes

Published May 5, 2026·Updated Jul 21, 2026

NVD Description

Boundary Community Edition and Boundary Enterprise ("Boundary") workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes. An attacker with network access to the worker authentication listener may open a connection and delay or withhold the client certificate during the TLS handshake, causing worker connection handling to block. This may prevent legitimate worker connections from being accepted or routed. This vulnerability, CVE-2026-7776, is fixed in Boundary 0.21.3, 0.20.3, 0.19.5.

Affected Packages (1)

github.com/hashicorp/boundaryGO
Fixed in 0.19.5

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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