CVE-2026-3605 - Vulnerability Analysis

Overview

HashiCorp Vault < 2.0.0 and < 1.21.5 contains a broken access control caused by improper authorization checks on kvv2 paths with glob policies, letting authenticated users delete unauthorized secrets, exploit requires authentication.

Severity & Score

Impact

Authenticated users can delete unauthorized secrets, causing denial of service without data disclosure.

Mitigation

Update to Vault Community Edition 2.0.0 or Vault Enterprise 2.0.0, 1.21.5, 1.20.10, or 1.19.16.

References

• https://discuss.hashicorp.com/t/hcsec-2026-05-vault-kvv2-metadata-and-secret-deletion-policy-bypass-denial-of-service/77342

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Apr 17, 2026

🟠 CVE-2026-3605 - High (8.1) An authenticated user with access to a kvv2 path through a policy containing a glob may be able to delete secrets they were not authorized to read or write, resulting in denial-of-service. This vulnerability did not allow a malicious user to delet... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-3605/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner