Description
Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393] which allowed for processing JSON payloads before applying rate limits. This vulnerability, CVE-2025-12044, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.16.27, 1.19.11, 1.20.5, and 1.21.0.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
HashiCorp Vault
Default version status: unaffected
1.20.3 to < 1.21.0affected
HashiCorp Vault Enterprise
Default version status: unaffected
1.20.3 to < 1.21.0affected1.19.9 to < 1.19.11affected1.18.14 to < 1.18.15affected1.16.25 to < 1.16.27affected