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CVE

CVE-2025-12044

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

CVE-2025-12044

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

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-12044, https://github.com/hashicorp/vault/commit/b19e74c29a33ed2a99fc01626104db1a49345df3, https://github.com/hashicorp/vault/commit/eedc2b7426f30e57e306229ce697ce81e203ab89, https://discuss.hashicorp.com/t/hcsec-2025-31-vault-vulnerable-to-denial-of-service-due-to-rate-limit-regression/76710, https://github.com/hashicorp/vault

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00121%
EPSS Percentile
0.31731%
Introduced Version
1.20.3,v1.20.3,v0.0.0-20250806120801-eedc2b7426f3
Fix Available
1.21.0,v1.21.0-rc1,v0.0.0-20250924071321-b19e74c29a33

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