Vault Vulnerable to Recovery Key Cancellation Denial of Service
Priority LOW 15CWE-1088Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
Vault Community and Vault Enterprise rekey and recovery key operations can lead to a denial of service due to uncontrolled cancellation by a Vault operator. This vulnerability (CVE-2025-4656) has been remediated in Vault Community Edition 1.20.0 and Vault Enterprise 1.20.0, 1.19.6, 1.18.11, 1.17.17, and 1.16.22.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00266 18th percentileScored 2026-11-07
Fix Partial Vault (HashiCorp): 1.20.0Vault Enterprise (HashiCorp): 1.20.0+1 more productRed Hat: 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HashiCorp | Vault | 1.14.8 to before 1.20.0 | 1.20.0 | Patch available | CNA |
| HashiCorp | Vault Enterprise | 1.14.8 to before 1.20.0 | 1.20.0 | Patch available | CNA |
| — | github.com/hashicorp/vault (Go) | 1.14.8 to before 1.20.0 | 1.20.0 | Patch available | GHSA-fhc2-8qx8-6vj7 |
- Vault VendorHashiCorp Affected 1.14.8 to before 1.20.0 Fixed in 1.20.0 Patch available CNA
- Vault Enterprise VendorHashiCorp Affected 1.14.8 to before 1.20.0 Fixed in 1.20.0 Patch available CNA
- github.com/hashicorp/vault (Go) Vendor— Affected 1.14.8 to before 1.20.0 Fixed in 1.20.0 Patch available GHSA-fhc2-8qx8-6vj7
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* | 1.14.8 to before 1.16.22 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* | 1.14.8 to before 1.20.0 | Vulnerable | HashiCorp |
| cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* | 1.17.0 to before 1.17.17; 1.18.0 to before 1.18.11; 1.19.0 to before 1.19.6 | Vulnerable | HashiCorp |
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* Versions 1.14.8 to before 1.16.22 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:* Versions 1.14.8 to before 1.20.0 Vulnerable ·HashiCorp
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:* Versions 1.17.0 to before 1.17.17; 1.18.0 to before 1.18.11; 1.19.0 to before 1.19.6 Vulnerable ·HashiCorp
Remediation
- Fix · CNA Vault (HashiCorp) Fixed in 1.20.0
- Fix · CNA Vault Enterprise (HashiCorp) Fixed in 1.20.0
- Fix · GHSA-fhc2-8qx8-6vj7 github.com/hashicorp/vault (Go) Fixed in 1.20.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Openshift Data Foundation 4 | Affected | No fix yet: Fix deferred |
| Red Hat Trusted Artifact Signer | Affected | No fix yet: Fix deferred |
| cert-manager Operator for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-4656
- 2026-10-03 Alias added: GHSA-fhc2-8qx8-6vj7
References
More HashiCorp Vault vulnerabilities
- TI-2024-01904 Vault Cert Auth Method Did Not Correctly Validate Non-CA Certificates CVSS 3.1CRITICAL 9.8
- TI-2022-19053 An issue was discovered in HashiCorp Vault and Vault Enterprise before 1.11.3. CVSS 3.1CRITICAL 9.1
- TI-2020-17874 The official vault docker images before 0.11.6 contain a blank password for a root user. CVSS 3.1CRITICAL 9.8
- TI-2020-10142 HashiCorp Vault and Vault Enterprise 1.4.0 and 1.4.1, when configured with the GCP… CVSS 3.1CRITICAL 9.8
- TI-2026-04407 Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS CVSS 3.1HIGH 8.6
- TI-2025-05421 Arbitrary Remote Code Execution via Plugin Catalog Abuse CVSS 3.1CRITICAL 9.1
Sources
- CVE-2025-4656 · CVE Program
- CVE-2025-4656 · NVD
- FIRST EPSS
- GHSA-fhc2-8qx8-6vj7 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-4656 · Red Hat security data · CC BY 4.0
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