high7.5
CVE-2025-12044
Hashicorp Vault and Vault Enterprise vulnerable to a denial of service when processing JSON
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/hashicorp/vault | >= 1.20.3, < 1.21.0 | 1.21.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hashicorp | Vault | from 1.16.25 before 1.16.27 from 1.18.14 through 1.18.15 from 1.19.9 through 1.19.11 from 1.20.3 before 1.20.5 from 1.20.3 before 1.21.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://discuss.hashicorp.com/t/hcsec-2025-31-vault-vulnerable-to-denial-of-service-due-to-rate-limit-regression/76710
- https://github.com/advisories/GHSA-vp5w-xcfc-73wf
- https://nvd.nist.gov/vuln/detail/CVE-2025-12044
- https://github.com/hashicorp/vault/commit/b19e74c29a33ed2a99fc01626104db1a49345df3
- https://github.com/hashicorp/vault/commit/eedc2b7426f30e57e306229ce697ce81e203ab89