PatchTheCVECVE-2026-13303: HashiCorp Boundary and Boundary Enterprise are vulnerable to a server-side request forgery in the Vault creden
CVE-2026-13303 is a high-severity flaw (CVSS 8.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 co
Why this priority
- High severity
- Covered by 3 security sources
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.7 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-918 |
| Published | 2026-10-29 |
| Last modified | 2026-10-30 |
Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Official advisories
- HashiCorp Security: HCSEC-2026-54 - Boundary vulnerable to server-side request forgery in Vault credential store 2026-10-29
Research and news
- VulDB Recent Entries: CVE-2026-13303 | HashiCorp Boundary prior 1.0.2/0.21.6 Vault Credential Store Integration server-side request forgery (EUVD-2026-113390) 2026-10-29
- Vulners Bulletins: EUVD-2026-113390 2026-10-29
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-13303?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-13303 being exploited?
CVE-2026-13303 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-13303 affect?
CVE-2026-13303 affects affected software. Severity is high (CVSS 8.7). 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 w
How urgent is CVE-2026-13303?
Priority 37/100. High severity; Covered by 3 security sources
Software pages
HashiCorp Vault vulnerabilities