CVE-2026-13303 Boundary vulnerable to server-side request forgery in Vault credential store
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-13303?
CVE-2026-13303 is a high-severity vulnerability in HashiCorp Boundary, published on 29 Oct 2026.
Official description
HashiCorp Boundary and Boundary Enterprise are vulnerable to a server-side request forgery in the Vault credential store integration that may allow an authenticated user with permission to manage credential stores and credential libraries within a project to cause the Boundary controller to issue outbound requests to a network destination of the requester's choosing and to receive the response. This may expose endpoints reachable only from the controller's host, such as a cloud instance metadata service. This vulnerability, CVE-2026-13303, is fixed in Boundary Enterprise 1.0.2 and 0.21.6.
Weakness: CWE-918
Which versions are affected by CVE-2026-13303?
How do I fix CVE-2026-13303?
No fix has been published for CVE-2026-13303 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-13303 being exploited?
There is no known exploitation of CVE-2026-13303 in the wild and no public exploit code.
Sources
Also known as GHSA-ff4v-fpcj-mjf6.