What is CVE-2026-7776?

CVE-2026-7776 is a high-severity vulnerability in Hashicorp Boundary, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-04.

How severe is CVE-2026-7776?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Hashicorp Boundary

CVE-2026-7776

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…

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hashicorp Boundary — versions 0.9.0
Hashicorp Boundary Enterprise — versions 0.9.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-7776?: CVE-2026-7776 is a high-severity vulnerability in Hashicorp Boundary, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-04.
How severe is CVE-2026-7776?: High severity. CVSS v3 base score is 7.5 out of 10.