SCA: security update for github.com/hashicorp/boundary (GHSA-7x9r-wcgg-w86f)

high Tenable Self-Hosted Container Security Plugin ID 441558

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-7776)

Solution

Update the github.com/hashicorp/boundary library and its related packages to version 0.19.5 or later.

See Also

https://github.com/advisories/GHSA-7x9r-wcgg-w86f

Plugin Details

Severity: High

ID: 441558

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 5/8/2026

Updated: 6/15/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.68

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-7776

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/5/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-7776

cwe: CWE-770