vaultGHSA-vp5w-xcfc-73wf

Hashicorp Vault and Vault Enterprise vulnerable to a denial of service when processing JSON

High7.5CVE-2025-12044 · Published Oct 23, 2025 · updated Sep 10, 2026

Affected versions

Package	Affected	Fixed in
github.com/hashicorp/vault Go	>= 1.20.3, < 1.21.0	1.21.0

Details and references

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.

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity from: GitHub (reviewed advisory)
Weakness: CWE-770
Also known as: BIT-vault-2025-12044, CVE-2025-12044, GO-2025-4071

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All

Date	Advisory	Severity	Fixed in
Oct 232025	HashiCorp Vault and Vault Enterprise's AWS Auth method may be susceptible to authentication bypass CVE-2025-11621High8.1fixed in 1.21.0	High8.1	1.21.0
Aug 282025	HashiCorp Vault Community Edition Denial of Service Though Complex JSON Payloads CVE-2025-6203High7.5fixed in 1.20.3	High7.5	1.20.3
Aug 62025	HashiCorp Vault ldap auth method may not have correctly enforced MFA CVE-2025-6013Medium6.5fixed in 1.20.2	Medium6.5	1.20.2
Aug 12025	Hashicorp Vault has Incorrect Validation for Non-CA Certificates CVE-2025-6037Medium6.8fixed in 1.20.1	Medium6.8	1.20.1
Aug 12025	Hashicorp Vault has Privilege Escalation Vulnerability CVE-2025-5999High7.2fixed in 1.20.0	High7.2	1.20.0
Aug 12025	Hashicorp Vault has Code Execution Vulnerability via Plugin Configuration CVE-2025-6000Critical9.1fixed in 1.20.1	Critical9.1	1.20.1

Affected versions

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