Vulnerabilities in pkg:golang/github.com/hashicorp/boundary
PACKAGECVE-2026-7776 is a HIGH (CVSS 7.5) hashicorp boundary workers are vulnerable vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) affecting Github.com/hashicorp/boundary libraries in the Go ecosystem. The issue involves hashicorp boundary workers are vulnerable to a denial-of-service condition during node enrollment tls handshakes. Remediation is available by upgrading affected packages to version 0.19.5, 0.20.3, 0.21.3.
pkg:golang/github.com/hashicorp/boundary
Vulnerability advisories affecting package pkg:golang/github.com/hashicorp/boundary. Select an advisory below to view technical details or fixes.
| Advisory ID | CVE / NVD | Severity | Summary |
|---|---|---|---|
| GHSA-7x9r-wcgg-w86f | CVE-2026-7776 | HIGH | Hashicorp Boundary workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes |
| GHSA-xx83-cxmq-x89m | CVE-2024-12289 | MODERATE | Boundary Community Edition Incorrectly Handles HTTP Requests On Initialization Which May Lead to a Denial of Service |
| GHSA-vh73-q3rw-qx7w | CVE-2024-1052 | HIGH | Boundary vulnerable to session hijacking through TLS certificate tampering |
| GHSA-9vrm-v9xv-x3xr | CVE-2023-0690 | HIGH | HashiCorp Boundary Workers Store Rotated Credentials in Plaintext Even When Key Management Service Configured |
| GHSA-xqv2-3vvq-qg6r | CVE-2022-36182 | MODERATE | Hashicorp Boundary vulnerable to clickjacking |
CVE-2026-7776 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2026-7776
To remediate this vulnerability, upgrade all affected Github.com/hashicorp/boundary dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/hashicorp/boundary to 0.19.5
Upgrade github.com/hashicorp/boundary to 0.20.3
Upgrade github.com/hashicorp/boundary to 0.21.3
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/hashicorp/boundary
How to Check if You Are Affected
To determine whether your application is affected by CVE-2026-7776, inspect your project dependencies for Github.com/hashicorp/boundary:
inspect dependencies for github.com/hashicorp/boundary
Analyze the terminal output to locate any version of Github.com/hashicorp/boundary in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.19.5), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-770: Allocation of Resources Without Limits or Throttling, where the product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. In Github.com/hashicorp/boundary, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-7776 Affected Github.com/hashicorp/boundary Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/hashicorp/boundary
|
Go |
< 0.19.5
|
0.19.5
|
|
github.com/hashicorp/boundary
|
Go |
≥ 0.20.0
< 0.20.3
|
0.20.3
|
|
github.com/hashicorp/boundary
|
Go |
≥ 0.21.0
< 0.21.3
|
0.21.3
|
References
Frequently Asked Questions
What is CVE-2026-7776?
Which Github.com/hashicorp/boundary versions are affected?
What version fixes CVE-2026-7776?
Is github.com/hashicorp/boundary affected?
What is the CVSS score of CVE-2026-7776?
What CWE is associated with CVE-2026-7776?
How can I check Go dependencies for CVE-2026-7776?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-7x9r-wcgg-w86f",
"modified" : "2026-07-21T13:53:21Z",
"published" : "2026-05-05T00:30:22Z",
"aliases" : [ "CVE-2026-7776" ],
"summary" : "Hashicorp Boundary workers are vulnerable to a denial-of-service condition during node enrollment TLS handshakes",
"details" : "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.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/hashicorp/boundary"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "0.19.5"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/hashicorp/boundary"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0.20.0"
}, {
"fixed" : "0.20.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/hashicorp/boundary"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0.21.0"
}, {
"fixed" : "0.21.3"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-7776"
}, {
"type" : "WEB",
"url" : "https://discuss.hashicorp.com/t/hcsec-2026-11-boundary-workers-vulnerable-to-denial-of-service-during-tls-handshake"
}, {
"type" : "ADVISORY",
"url" : "https://github.com/advisories/GHSA-7x9r-wcgg-w86f"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/hashicorp/boundary"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-770" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-05-08T19:01:54Z",
"nvd_published_at" : "2026-05-04T22:16:20Z"
}
}