Resource exhaustion in Hashicorp Consul

CVE-2025-11374

Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Co…

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-11374?
CVE-2025-11374 is a medium-severity vulnerability in Hashicorp Consul, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2025-10-28.
How severe is CVE-2025-11374?
Medium severity. CVSS v3 base score is 6.5 out of 10.