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 ↗

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

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

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