CVE-2025-12044
High · 7.5Hashicorp Vault and Vault Enterprise vulnerable to a denial of service when processing JSON
CVSS
7.5
EPSS
0.5%
Published
Oct 23, 2025
CISA due date
—
The record
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 | Introduced | Fixed |
|---|---|---|---|
| Go | github.com/hashicorp/vault | 1.20.3 | 1.21.0 |
| Bitnami | vault | 0.6.0 | 1.16.27 |
| Chainguard | splunk-otel-collector | 0 | 0.139.2-r0 |
| Chainguard | splunk-otel-collector-compat | 0 | 0.138.0-r0 |
| Chainguard | splunk-otel-collector-doc | 0 | 0.138.0-r0 |
| Chainguard | splunk-otel-collector-fips | 0 | 0.139.2-r0 |
| Chainguard | splunk-otel-collector-migratecheckpoint | 0 | 0.138.0-r0 |
| Chainguard | splunk-otel-collector-migratecheckpoint-compat | 0 | 0.138.0-r0 |
| Chainguard | vault-1.16 | 0 | 1.16.3-r29 |
| Chainguard | vault-1.16-compat | 0 | 1.16.3-r26 |
| Chainguard | vault-1.17 | 0 | 1.17.6-r21 |
| Chainguard | vault-1.17-compat | 0 | 1.17.6-r18 |
| Chainguard | vault-1.18-compat | 0 | 1.18.5-r15 |
| Chainguard | vault-1.19-compat | 0 | 1.19.5-r5 |
| Chainguard | vault-1.20-compat | 0 | 1.20.4-r1 |
| Chainguard | vault-fips-1.19-compat | 0 | 1.19.5-r8 |
| Chainguard | vault-fips-1.20-compat | 0 | 1.20.4-r1 |
| Wolfi | splunk-otel-collector | 0 | 0.139.2-r0 |
| Wolfi | splunk-otel-collector-compat | 0 | 0.138.0-r0 |
| Wolfi | splunk-otel-collector-doc | 0 | 0.138.0-r0 |
| Wolfi | splunk-otel-collector-migratecheckpoint | 0 | 0.138.0-r0 |
| Wolfi | splunk-otel-collector-migratecheckpoint-compat | 0 | 0.138.0-r0 |
| go | github.com/hashicorp/vault | 1.20.3 | 1.21.0 |
| openSUSE:Tumbleweed | govulncheck-vulndb | 0 | 0.0.20251105T184115-1.1 |
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