# CVE-2025-4656: Vault Community Edition rekey and recovery key operations can cause denial of service

Source: https://junglewise.ai/threats/cve-2025-4656-vault-community-edition-rekey-and-recovery-key-operations-can  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-07-28  
License: CC BY 4.0 with a link back

CVE-2025-4656 · Severity: low · CVSS 3.1 · Published 2025-07-28

Vault Community Edition rekey and recovery key operations can cause denial of service in github.com/hashicorp/vault

Technologies: [github.com/hashicorp/vault (Go)](https://junglewise.ai/threats/technologies/github-com-hashicorp-vault). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2025-4656 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-4656 being exploited in the wild.

**How severe is CVE-2025-4656?** Low severity, with a CVSS score of 3.1, published 28 July 2025.

**Which products and versions are affected?** github.com/hashicorp/vault (Go) SEMVER:introduced=1.14.8,fixed=1.20.0.

**Is there a fix for CVE-2025-4656?** Yes. github.com/hashicorp/vault (Go): upgrade to 1.20.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-4656?** Check whether you run github.com/hashicorp/vault (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/hashicorp/vault (Go): upgrade to 1.20.0 or later

  ```sh
  go get github.com/hashicorp/vault@v1.20.0
  ```


## Affected products

- github.com/hashicorp/vault (Go) SEMVER:introduced=1.14.8,fixed=1.20.0

## Identifiers

- CVE-2025-4656
- GHSA-fhc2-8qx8-6vj7
- GO-2025-3788

## Related threats

- [HashiCorp Vault denial of service in root token generation and rekeying](https://junglewise.ai/threats/cve-2026-5807-hashicorp-vault-denial-of-service-in-root-token-generation-and)
- [HashiCorp Vault SSRF in PKI engine ACME validation](https://junglewise.ai/threats/cve-2026-5052-hashicorp-vault-ssrf-in-pki-engine-acme-validation)
- [HashiCorp Vault token disclosure in auth plugin header forwarding](https://junglewise.ai/threats/cve-2026-4525-hashicorp-vault-token-disclosure-in-auth-plugin-header-forwarding)
- [HashiCorp Vault policy bypass in KVv2 secrets engine](https://junglewise.ai/threats/cve-2026-3605-hashicorp-vault-policy-bypass-in-kvv2-secrets-engine)
- [Hashicorp Vault and Vault Enterprise vulnerable to a denial of service when processing JSON](https://junglewise.ai/threats/cve-2025-12044-hashicorp-vault-and-vault-enterprise-vulnerable-to-a-denial-of)