Vulnerability Details CVE-2025-12044
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.3%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-12044
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cpe:2.3:a:hashicorp:vault:1.16.25
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cpe:2.3:a:hashicorp:vault:1.18.14
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cpe:2.3:a:hashicorp:vault:1.18.15
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cpe:2.3:a:hashicorp:vault:1.19.11
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cpe:2.3:a:hashicorp:vault:1.19.9
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cpe:2.3:a:hashicorp:vault:1.20.3
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cpe:2.3:a:hashicorp:vault:1.20.4