---
title: "CVE-2026-13303: HashiCorp Boundary - Server-Side Request Forgery"
description: "HashiCorp Boundary and Boundary Enterprise contain a server-side request forgery caused by improper validation in the Vault credential store integration, letting authenticated users with credential management permissions make arbitrary outbound requests, exploit requires authenticated user with specific permissions."
url: https://panop.io/threat-heartbeat/CVE-2026-13303/
---

# CVE-2026-13303 HashiCorp Boundary - Server-Side Request Forgery

HashiCorp Boundary and Boundary Enterprise contain a server-side request forgery caused by improper validation in the Vault credential store integration, letting authenticated users with credential management permissions make arbitrary outbound requests, exploit requires authenticated user with specific permissions.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.22% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-13303)

## Details

Type

Server-Side Request Forgery

Impact

Server Side Request Forgery, Information Disclosure

CVSS vector

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

Published

29 October 2026

Updated

31 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to Boundary Enterprise 1.0.2 or 0.21.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-13303](https://nvd.nist.gov/vuln/detail/CVE-2026-13303)
- [https://discuss.hashicorp.com/t/hcsec-2026-54-boundary-vulnerable-to-server-side-request-forgery-in-vault-credential-store/77932](https://discuss.hashicorp.com/t/hcsec-2026-54-boundary-vulnerable-to-server-side-request-forgery-in-vault-credential-store/77932)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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