CVE-2025-12044 — Vault Vulnerable to Denial of Service Due to Rate Limit Regression

Description (CNA)

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 (CNA)

Vendor / product	Versions
HashiCorp / Vault	affected 1.20.3 before 1.21.0
HashiCorp / Vault Enterprise	affected 1.20.3 before 1.21.0; affected 1.19.9 before 1.19.11; affected 1.18.14 before 1.18.15; affected 1.16.25 before 1.16.27

CWE

CWE-770

References

https://discuss.hashicorp.com/t/hcsec-2025-31-vault-vulnerable-to-denial-of-service-due-to-rate-limit-regression/76710

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.